Why Skin Gets Oilier in Summer: Science + Best Products
Last Updated: April 07, 2026
Why Your Skin Gets Oilier in Summer — and the Best Products to Control It (India 2026)
Dermatologist-backed sebum science + the best oily skin products in India under ₹600 and premium international picks — so you stay matte all day, even in 40°C heat.
What You'll Learn in This Article
Why does oily skin get worse in summer? Heat directly stimulates sebaceous glands to produce ~10% more oil per degree of temperature rise. High humidity traps sebum on the surface, UV exposure triggers compensatory oil production, and dehydration from sweating makes the skin overproduce even more. The fix: a BHA cleanser + niacinamide serum + lightweight oil-free moisturiser + non-comedogenic SPF 50 — in that order, morning and night.
It's 10 AM. You've washed your face, applied moisturiser, and put on sunscreen. Forty minutes later, your forehead looks like it's been deep-fried. If you have oily skin in summer in India, you're not alone — and you're not doing anything wrong. Your skin is responding to the environment exactly the way biology designed it to.
Oil production is not a flaw. It's a protective mechanism. But summer heat, humidity, UV exposure, and sweat push your sebaceous glands into overdrive — creating a cycle of shine, clogged pores, and breakouts that no blotting paper can solve on its own.
This guide covers exactly why your skin overproduces oil in summer, what the dermatologist-backed science says, and which products — both affordable Indian picks and premium international options — actually work to control it. If you also want a budget-first plan, our complete oily skin routine under ₹1000 is a great companion read.
Why Does Oily Skin Get Worse in Summer? The Science Explained
Your skin is covered in thousands of tiny sebaceous glands — one attached to almost every hair follicle. These glands secrete sebum, a waxy, oily substance made of lipids, wax esters, and fatty acids. In normal amounts, sebum is your skin's best friend: it waterproofs your face, locks in moisture, and protects against bacteria.
The problem is that heat directly stimulates these glands. Dermatology research confirms that sebaceous glands produce approximately 10% more oil for every degree the ambient temperature rises. Now consider what that means for Indian summers: Delhi regularly touches 44–48°C, Mumbai bakes at 35–38°C with 85% humidity, and Chennai sits in intense heat from March through June. You're not experiencing a mild temperature rise — you're experiencing conditions that can biologically double your baseline sebum output.
But heat isn't working alone. Here are the six key summer triggers working together on your skin:
1. Direct Heat Stimulates Sebaceous Glands
The most direct cause. Elevated skin surface temperature activates sebaceous glands, increasing both the rate and volume of sebum secretion. This is a thermoregulatory biological response — your skin oils up to protect itself.
2. High Humidity Traps Oil on the Surface
In coastal Indian cities like Mumbai and Chennai, relative humidity stays between 70–90% in summer. This prevents sebum from evaporating or dissipating. Instead, it builds up on the skin's surface, mixing with sweat to create the classic thick, sticky film that clogs pores and causes breakouts.
3. UV Exposure Triggers Compensatory Oil Production
Sun exposure dries out the uppermost layer of skin. In response, sebaceous glands increase sebum output to compensate for the perceived moisture loss. This is why spending time outdoors without sunscreen makes oily skin dramatically worse throughout the day.
4. The Dehydration Paradox — Less Water Means More Oil
Here's the counterintuitive truth most people get backwards: when your skin is dehydrated, it produces more oil. Summer sweating causes significant surface water loss. Your skin's internal sensors detect this dehydration and signal the sebaceous glands to secrete more sebum to compensate. Skipping moisturiser because your skin "already feels oily" makes things measurably worse.
Skipping moisturiser in summer to reduce oiliness is one of the most counterproductive habits. Dehydrated skin triggers compensatory sebum overproduction. The fix is lightweight, oil-free hydration — not zero hydration. See our full guide to the best moisturisers for oily acne-prone skin in India.
5. Hormonal Fluctuations Interact with Heat
Androgens — particularly testosterone — are the primary regulators of sebum production. Summer heat elevates cortisol (the stress hormone), which amplifies androgen activity. For women, this compounds with the pre-menstrual testosterone spike, making skin noticeably oilier and more breakout-prone in summer months.
6. Pollution + Oil = Sealed Pores (India-Specific)
Indian summers bring elevated PM2.5 levels, dust storms, and vehicle exhaust — especially in cities like Delhi, Kanpur, and Mumbai. Airborne particles land on an already-oily face and become trapped in sebum, acting like adhesive that seals pores and accelerates blackhead and cystic acne formation. This pollution-sebum combo is uniquely severe in Indian urban environments and almost never addressed in generic skincare advice.
What Dermatologists Say About Oily Skin in Summer
Heat and sun exposure raise the body temperature, leading to sweating and increased oil production by the sebaceous glands. When oil, sweat, and debris become trapped in pores, acne develops — and summer creates exactly that perfect storm.
— Dr. Michele Green, Board-Certified Dermatologist, New York City
Dermatologists consistently point to two misunderstood truths about summer oily skin. First, oily skin is not a hygiene problem — washing your face more than twice a day strips the skin barrier and triggers a rebound effect where your glands produce even more oil to compensate. Second, oil-free doesn't mean no moisture. Even the oiliest skin needs hydration in summer; it just needs the right kind.
"The sun can dry out the skin, which causes the body to compensate by producing even more sebum. This is why moisturising is always important — even in summer — to prevent excess sebum production. Choose lightweight, non-comedogenic formulas rather than skipping this step entirely." — Dr. Michele Green, MD
Indian dermatologists add a layer specific to South Asian skin: melanin-rich skin is more prone to post-inflammatory hyperpigmentation (PIH) — the dark marks left after a pimple heals. In Indian summers, the combination of excess sebum, heat, and high UV index means breakouts heal with more visible darkening than in lower-UV climates. This makes prevention far more important than treatment after the fact. BHA exfoliants and niacinamide address both the sebum production and the post-breakout pigmentation together.
Written for oily and combination-oily skin — those who experience shine, enlarged pores, and frequent breakouts in summer heat. If your skin is combination (oily T-zone, drier cheeks), apply actives to oily zones only. If your skin is acne-prone but not oily, start actives at lower frequency (2–3 nights per week instead of daily).
For combination skin types — extremely common among Indian women aged 18–35 — dermatologists warn against treating the whole face identically. The T-zone behaves like oily skin in summer; the cheeks may actually become drier from UV damage. For T-zone-specific choices, see our best lightweight moisturisers for oily skin India guide.
What Is Sebum and Why Does It Increase in Summer?
Before you can fix oily skin, you need to understand what you're actually dealing with. Most people assume the shine on their face is sweat. It usually isn't. Sebum and sweat are produced by completely different glands, for completely different reasons — and they require different solutions.
Sebum is a waxy, lipid-rich substance secreted by sebaceous glands attached to your hair follicles. Its job is to protect and waterproof your skin. Sweat is a water-and-salt solution produced by eccrine glands to cool your body temperature. In summer, both increase simultaneously — and when they mix on the skin surface, the result is a thick, sticky film that traps dead cells and pollution inside your pores.
| Feature | Sebum (Skin Oil) | Sweat |
|---|---|---|
| Source | Sebaceous glands (hair follicles) | Eccrine sweat glands |
| Composition | Waxy lipids, triglycerides, wax esters | Water + salt + trace minerals |
| Purpose | Skin protection, moisture retention | Body temperature regulation |
| Appearance | Thick, shiny, greasy — doesn't evaporate | Thin, watery — evaporates quickly |
| Triggered by heat? | Yes — ~10% more per °C rise | Yes — core temperature regulation |
| Summer problem | Excess clogs pores → acne + blackheads | Mixes with sebum → accelerates clogging |
| Best solution | BHA exfoliants, niacinamide, gel moisturisers | Rinse face post-sweat, gentle cleanser |
The practical takeaway: if your skin is shiny and feels greasy throughout the day, that's sebum — and it needs ingredients that work inside the pore (BHA, niacinamide). If your skin is wet immediately after exercise or being outdoors, that's sweat — rinsing with cool water is enough.
A peer-reviewed study found that after just 90 minutes of outdoor summer exposure, measurable increases in sebum secretion, skin greasiness, and trans-epidermal water loss were all recorded — confirming that heat alone triggers sebum increase, independently of sweat or UV.
Niacinamide: noticeable sebum reduction in 3–4 weeks of daily use. BHA: visible pore clearing in 4–6 weeks of 3–4 nights per week use. SPF: prevents worsening from day one. Moisturiser: rebound oiliness improvement within 1–2 weeks. Impatience is the most common reason routines fail — the ingredients work, but not overnight.
Best Ingredients for Oily Skin in Summer — and What to Avoid
Not all skincare ingredients are equal in summer. Some actively regulate sebum production at a biological level — others trap oil and make everything worse. Here's what the evidence says:
✅ Ingredients That Work
Niacinamide (Vitamin B3)
Clinical studies show it reduces sebum production by up to 30% in 4 weeks. Works at the gland level. Minimises pores, strengthens barrier. Best at 5–10% concentration.
Salicylic Acid (BHA)
Oil-soluble — penetrates deep into pores to dissolve sebum and dead skin. Anti-inflammatory. Ideal at 0.5–2% for daily use. Best exfoliant for oily skin in summer.
Hyaluronic Acid
Lightweight humectant that hydrates without adding oil. Prevents dehydration-triggered sebum overproduction. Apply on damp skin. Look for 1–2% in serums.
Zinc PCA
Works synergistically with niacinamide to regulate sebum by inhibiting 5-alpha reductase. Has antimicrobial properties that reduce acne bacteria. Often paired with niacinamide in serums.
Glycolic Acid (AHA)
Exfoliates dead cells that mix with sebum to clog pores. Use at 5–10%, 2–3 nights per week maximum. Always apply SPF the next morning — increases photosensitivity for 24–48 hours.
Kaolin / Bentonite Clay
Absorbs excess sebum without stripping moisture. Excellent in weekly masks (10–12 minutes, remove while damp). Multani mitti is a natural Indian equivalent.
❌ Ingredients to Avoid in Summer
Coconut Oil
Comedogenicity rating: 4/5. Severely clogs pores in oily, acne-prone skin. Switch to: Squalane oil (comedogenicity 1/5) or rosehip oil.
Denatured Alcohol
Strips the skin barrier, triggering compensatory sebum overproduction within hours. Switch to: Alcohol-free toners with EGCG or niacinamide.
Heavy Silicones
Thick dimethicone creates an occlusive seal over pores in heat and humidity. Switch to: Water-gel or silicone-free moisturiser formulas.
Mineral Oil
Traps sweat and sebum underneath it. Worsens congestion in humid conditions. Switch to: Any water-based or gel moisturiser.
Shea Butter / Heavy Emollients
Excellent for dry skin — too heavy and occlusive for oily skin in summer. Switch to: Ceramide-based lightweight gels or hyaluronic acid serums.
Comedogenic Sunscreen Bases
Thick white-cast sunscreens trap oil underneath. Switch to: Re'equil SPF 50 (India) or EltaMD UV Clear (US/global) — both recommended in this guide.
These two work on completely different pathways: niacinamide reduces oil at the gland level, while salicylic acid penetrates pores to dissolve sebum from within. Apply them 30 minutes apart — salicylic acid at pH 3–4, niacinamide at pH ~6. We've done a full deep-dive on niacinamide vs salicylic acid for oily skin India.
Best Products for Oily Skin in India 2026 — Budget Picks Under ₹600
All under ₹600 (~$7 USD) — clinical-grade ingredients at a fraction of Western prices. Most ship internationally via Amazon or iHerb. Looking specifically for cleansers? Our guide to the best face washes for oily skin India under ₹300 has even more options.
Minimalist 10% Niacinamide + Zinc Serum
₹349 (~$4 USD) · 30mlWhy it works: Niacinamide (Vitamin B3) directly tells your sebaceous glands to slow down oil production — not just absorb it after the fact. At 10% concentration, clinical studies show it reduces sebum by up to 30% within 4 weeks. This is gland-level regulation, not surface management.
Zinc PCA adds a second layer of protection: it's antibacterial, which stops acne-causing bacteria from colonising freshly unblocked pores. Together, they address both shine and breakouts in a single step.
๐บ๐ธ US readers: The Ordinary (~$6) is the closest equivalent — see our head-to-head comparison.
๐ See Current Price on Amazon →
Minimalist 2% Salicylic Acid Face Wash
₹299 (~$3.50 USD) · 100mlWhy it works: Salicylic acid is oil-soluble — the only cleanser ingredient that can actually follow sebum into your pores and dissolve blockages from inside. Regular cleansers clean the skin surface. This one cleans the pore itself.
The pH-balanced formula is critical: most harsh soaps sit at pH 9–10, which disrupts your skin's acid mantle and causes the "rebound oiliness" many people experience after washing.
๐บ๐ธ US readers: CeraVe SA Cleanser (~$14 at CVS/Target) is a comparable drugstore option.
๐ See Current Price on Amazon →
Re'equil Oxybenzone-Free SPF 50 Sunscreen
₹425 (~$5 USD) · 50gWhy it works: UV exposure directly stimulates sebaceous glands to produce more oil — so skipping sunscreen makes oily skin measurably worse. Re'equil uses next-generation Tinosorb filters giving SPF 50 with a genuinely matte, zero-white-cast finish that stays put even in 40°C Indian heat.
๐บ๐ธ US readers: See EltaMD UV Clear in the Premium section — it's the US equivalent with added actives.
๐ See Current Price on Amazon →
Dot & Key 2% Salicylic Acid + Cica Anti Acne Serum
₹395 (~$4.70 USD) · 30mlWhy it works: Salicylic acid (BHA) is oil-soluble, so it penetrates the pore lining and dissolves hardened sebum plugs from within — something no face wash or scrub can reach. It's a leave-on treatment for maximum contact time.
Centella Asiatica (Cica) calms the inflammation and redness that typically accompanies acne — so you're not just clearing pores, you're reducing visible irritation around them simultaneously.
Plum Green Tea Alcohol-Free Toner
₹275 (~$3.30 USD) · 100mlWhy it works: Most "oil-control" toners use denatured alcohol as the main active — which temporarily strips oil but destroys the skin barrier, triggering a sebum surge within hours. This formula uses green tea's EGCG to calm inflammation and moderate sebum without the crash.
Want more options? See our full best toners for oily skin India 2026 roundup.
๐ See Current Price on Amazon →
Mamaearth Oil-Free Moisturizer with Apple Cider Vinegar
₹349 (~$4 USD)Why it works: Oily skin still needs hydration — without it, the skin surface dehydrates and sebaceous glands produce even more oil to compensate. This lightweight gel delivers hydration without comedogenic ingredients, while diluted Apple Cider Vinegar helps restore the skin's natural pH balance.
Best International Products for Oily Skin 2026 — Premium Picks
Available globally — on Amazon US, Sephora, Nykaa Global, and Lookfantastic. These are the gold-standard products recommended by dermatologists in the US and Europe. For a broader serum comparison, see our best face serums for oily skin 2026 guide.
The Ordinary Niacinamide 10% + Zinc 1%
~$6 USD · ₹690 (30ml)Why it works: Niacinamide at 10% is the threshold where clinical evidence of meaningful sebum reduction kicks in — up to 30% reduction in 4 weeks in published studies. This is The Ordinary's best-selling product globally for exactly this reason.
Zinc PCA reduces the activity of 5-alpha reductase, an enzyme that drives sebum overproduction, while also providing antibacterial protection. Fragrance-free, cruelty-free, and one of the cleanest INCI lists at any price point.
Paula's Choice 2% BHA Liquid Exfoliant
~$35 USD · ₹2,800 (118ml)Why it works: This is a leave-on BHA exfoliant — not a rinse-off cleanser. Leave-on salicylic acid at 2% has hours of contact time to dissolve the lipid cement holding sebum plugs and dead cells together. The result is structural unclogging that reduces blackhead formation at the source.
La Roche-Posay Effaclar Mat Moisturiser
~$22 USD · ₹1,800 (40ml)Why it works: Most moisturisers hydrate. This one hydrates and mattifies for up to 8 hours using La Roche-Posay's Sebulyse technology — a formula designed exclusively for oily skin, not adapted from a dry-skin base.
EltaMD UV Clear SPF 46 Sunscreen
~$42 USD · ₹3,500 (48g)Why it works: Most sunscreens block UV. This one blocks UV and actively treats oily skin. The inclusion of niacinamide means your SPF is simultaneously reducing sebum production every time you wear it. Lactic acid provides gentle exfoliation that prevents dead-cell buildup.
COSRX Niacinamide 2% + BHA 4% Blackhead Exfoliant Toner
~$18 USD · ₹1,400 (100ml)Why it works: Betaine salicylate (a gentler BHA) delivers comparable pore-clearing depth to salicylic acid but with significantly less irritation. Niacinamide 2% is added to dial down sebum production while the BHA clears existing congestion. Two problems, one product.
Tatcha The Rice Wash Foaming Cleanser
~$38 USD · ₹2,900 (150ml)Why it works: There's a category of oily-skin sufferer that stronger cleansers make worse over time — skin that gets progressively more reactive and oily the more aggressively it's treated. Tatcha's Japanese squalane and rice bran formula dissolves oil without disrupting the moisture barrier.
Oily Skin Products Comparison: India Budget vs International Premium
Every recommended product side-by-side — match your budget to your biggest skin concern in under 30 seconds. Scroll right to see all columns on mobile.
| Product | Type | Key Ingredient | Price | Best For | Buy |
|---|---|---|---|---|---|
| Minimalist Niacinamide 10% + Zinc | Serum | Niacinamide 10% + Zinc PCA | ₹349 / ~$4 | Daily sebum regulation | Amazon ๐ฎ๐ณ |
| Minimalist 2% Salicylic Face Wash | Cleanser | Salicylic Acid 2% | ₹299 / ~$3.50 | Active pore cleansing | Amazon ๐ฎ๐ณ |
| Re'equil Oxybenzone-Free SPF 50 | Sunscreen | Tinosorb Filters | ₹425 / ~$5 | Matte daily SPF, no white cast | Amazon ๐ฎ๐ณ |
| Dot & Key 2% SA + Cica Serum | Serum | Salicylic Acid 2% + Centella | ₹395 / ~$4.70 | Blackheads + inflammation | Amazon ๐ฎ๐ณ |
| Plum Green Tea Alcohol-Free Toner | Toner | Green Tea EGCG | ₹275 / ~$3.30 | Balancing, no-alcohol toner | Amazon ๐ฎ๐ณ |
| Mamaearth Oil-Free Moisturiser (ACV) | Moisturiser | Apple Cider Vinegar | ₹349 / ~$4 | Budget daily hydration | Amazon ๐ฎ๐ณ |
| The Ordinary Niacinamide 10% + Zinc 1% | Serum | Niacinamide 10% + Zinc PCA | ₹690 / ~$6 | Global-access sebum control | Amazon ๐ |
| Paula's Choice 2% BHA Liquid | Exfoliant | Salicylic Acid 2% (leave-on) | ₹2,800 / ~$35 | Stubborn blackheads + congestion | Amazon ๐ |
| La Roche-Posay Effaclar Mat | Moisturiser | Sebulyse Tech + LHA | ₹1,800 / ~$22 | 8-hour mattifying hydration | Amazon ๐ |
| EltaMD UV Clear SPF 46 | Sunscreen | Zinc Oxide 9% + Niacinamide | ₹3,500 / ~$42 | Active SPF for reactive oily skin | Amazon ๐ |
| COSRX Niacinamide 2% + BHA 4% Toner | Exfoliant/Toner | Betaine Salicylate 4% | ₹1,400 / ~$18 | Gentle BHA, sensitive-oily | Amazon ๐ |
| Tatcha The Rice Wash | Cleanser | Japanese Rice Bran + Squalane | ₹2,900 / ~$38 | Premium cleanser, barrier-damaged skin | Amazon ๐ |
The Complete Summer Skincare Routine for Oily Skin in India
Built around the science above — controlling oil without triggering rebound oiliness. Beginner-friendly; adapt to your skin's tolerance over the first 2–3 weeks.
Order: Thinnest to thickest. Cleanse → toner (optional) → serum → moisturiser → SPF (AM only). Wait times: After BHA, wait 20–30 min before niacinamide. After niacinamide, 1–2 min before moisturiser. Damp vs dry: Niacinamide on slightly damp skin. BHA on completely dry skin.
☀️ Morning Routine
Gentle Gel Cleanser
Use a pH-balanced gel or foaming cleanser with salicylic acid. Harsh soaps (pH 9–10) disrupt your skin's acid mantle and trigger the rebound oil cycle. Massage for 60 seconds, rinse with cool water — hot water stimulates sebaceous glands.
Niacinamide Serum (on damp skin)
3–4 drops patted onto damp skin. Reduces sebum production at the gland level within 4 weeks of consistent use. Let it absorb for 1–2 minutes before the next step.
Lightweight Gel Moisturiser (never skip)
Without this step, surface dehydration signals your glands to produce more oil — you'll be oilier by mid-morning. A pea-sized amount is enough. Press in, don't rub.
SPF 50 Non-Comedogenic Sunscreen (reapply every 2 hrs)
UV exposure independently stimulates sebaceous glands — wearing no SPF makes oiliness and breakouts measurably worse all day. Apply last, let it set 2–3 minutes before going outside. See our best gel sunscreens for oily skin guide.
๐ Evening Routine
Double Cleanse (heavy pollution days only)
Start with micellar water to dissolve sunscreen and pollution particles. Follow with your BHA gel cleanser. On low-pollution days, one cleanse is sufficient. Over-cleansing is worse than under-cleansing.
BHA Serum (3–4 nights/week, on DRY skin)
Apply on completely dry skin — water dilutes the acidic pH that salicylic acid needs to work. Wait 20–30 minutes before applying anything else. On off-nights, use your niacinamide serum instead.
Niacinamide or Toner (BHA nights: wait 30 min first)
On BHA nights: after the 30-min wait, apply niacinamide. On non-exfoliant nights: apply niacinamide directly after cleansing. Plum Green Tea Toner is a good step here on nights you skip BHA.
Gel Moisturiser (seal in actives)
Seal in the evening actives with a lightweight gel. In peak summer, pure aloe vera gel (refrigerated) is excellent for very oily skin types. Avoid heavy night creams and anything with mineral oil or shea butter in summer.
Step 1: Press (don't rub) a blotting paper onto oily areas. Step 2: Mist with thermal water or rose water. Step 3: Press a small amount of translucent loose powder if needed. Step 4: Reapply sunscreen. Done in under 3 minutes — no bathroom required.
๐ Weekly: Clay Mask Treatment
Once a week, apply a multani mitti (fuller's earth) or kaolin clay mask for 10–12 minutes. Remove while still slightly damp — never wait for it to crack dry, as this over-strips the barrier and triggers rebound oil. This deep-cleans pores and absorbs accumulated sebum more effectively than any daily product.
Home Remedies for Oily Skin in Summer India — What Actually Works
| Remedy | Evidence | How to Use | Verdict |
|---|---|---|---|
| Multani Mitti | Traditional + clinical support for clay minerals | Mix with rose water. Apply 10–12 min. Remove while damp. Weekly. | ✅ Excellent |
| Aloe Vera Gel | Good — anti-inflammatory, hydrating | Apply fresh gel as lightweight moisturiser or post-cleanse toner. Works refrigerated for cooling effect. | ✅ Excellent |
| Green Tea Toner | Moderate — EGCG has antioxidant + mild sebum-regulating properties | Brew strong green tea, cool completely, apply with cotton pad. | ✅ Good |
| Ice Cubes on Face | Anecdotal — pore appearance temporarily reduced by vasoconstriction | Wrap in cloth. Hold on skin 1–2 min. Effect is temporary only. | ⚠️ Temporary |
| Lemon Juice | Poor — highly acidic, phototoxic risk in Indian sun | Not recommended. Risk of chemical irritation and sun-triggered burns. | ❌ Avoid |
| Apple Cider Vinegar | Very limited — pH 2–3 disrupts acid mantle | Not recommended undiluted. Can cause irritation and barrier damage. | ❌ Avoid Undiluted |
Oily Skin in Summer — Frequently Asked Questions
Why does my face get so oily in summer even after washing it?
Should oily skin use moisturiser in summer? (Yes — here's why)
How many times should I wash my face in summer if I have oily skin?
What is the best sunscreen for oily skin in summer? (India + US picks)
Can I use niacinamide and salicylic acid together for oily skin?
Why is oily skin worse in humid climates like Florida, Mumbai, or Chennai?
What are the best drugstore products for oily skin in summer in the US?
When should I see a dermatologist about oily skin?
This article draws on peer-reviewed and clinical sources. Key references:
- Influence of exposure to summer environments on skin properties — PubMed/NCBI
- Niacinamide sebum-reduction data — MDPI Applied Sciences (2025)
- Salicylic acid mechanism and clinical use — Cleveland Clinic
- Sebaceous gland thermoregulation studies — International Journal of Cosmetic Science
- Clinical insights: Dr. Michele Green MD, Board-Certified Dermatologist, New York City
