Routines · 8 min read
Pollution Skincare Routine for Delhi: What Helps on High-AQI Days
Smog doesn't need a 10-step routine. What the research actually says about air pollution and skin, plus a simple morning and night routine for bad-air days.
"Anti-pollution" skincare is mostly a marketing phrase. There's no regulated definition, and a serum that says it on the label has promised nothing you can hold it to. But the worry underneath it is reasonable, and there are a few things that do help. None of them involve ten steps.
What the research says (and doesn't)
The best-known study is a 2010 paper by Vierkötter and colleagues in the Journal of Investigative Dermatology. They examined 400 women aged 70 to 80 in Germany and found that higher exposure to airborne particles was associated with more pigment spots on the face (abstract on PubMed). Later studies have pointed in the same direction.
Two honest caveats. This is observational, so it shows a link rather than proving cause. And the women lived in a place with far cleaner air than Delhi or Lucknow in November, so we don't have a tidy number for what Indian smog does to a particular person's skin. The proposed mechanisms (oxidative stress, inflammation and a damaged barrier) are reasonable, and they tell you what to focus on.
What's worth doing
1. Clean your face properly at night
This is the most useful step. Particles and soot sit on skin all day, and the longer they stay, the more they irritate. Wash with a gentle cleanser. If you wore sunscreen or makeup, use an oil or balm first and then a cleanser (a "double cleanse"). Wash twice a day at most. Scrubbing harder doesn't clean better; it just breaks the barrier you're trying to protect.
2. Protect the barrier
A damaged barrier stings and flares more easily in bad air. A moisturiser with ceramides, glycerin or panthenol, morning and night, is the basic defence. This matters more in winter, when skin is already drier (our winter routine guide covers that).
3. Use an antioxidant in the morning
Vitamin C, niacinamide or vitamin E with ferulic acid can reduce some of the oxidative stress pollution causes. The evidence is mostly from lab work and small human studies, so think of it as a modest extra rather than a shield. Vitamin C and niacinamide are fine together.
4. Sunscreen, still
Smog doesn't replace it, and sun exposure is the main driver of tan and pigmentation. Cream-based formulas feel better than matte gels once the weather dries.
5. Keep your hands off your face
Obvious, and genuinely helpful. Wash your hands when you come in.
Knowing when it's a bad day
India's national Air Quality Index (published by the CPCB) runs from 0 to 500. 0–50 is Good, 51–100 Satisfactory, 101–200 Moderate, 201–300 Poor, 301–400 Very Poor and 401–500 Severe. You can check your city on the CPCB AQI page or its app. In most days of the year the basics above are enough. Add extra care when the index is above 300: stay indoors where you can, close windows, and don't skip the evening cleanse.
A simple routine for smoggy days
Morning: gentle cleanser (or water), antioxidant serum, ceramide moisturiser, sunscreen.
Night: oil or balm cleanser if you wore sunscreen, then your normal cleanser, moisturiser. Keep exfoliating acids and retinoids to their normal nights, or pause them if your skin is stinging.
Build a version for your skin and city with the routine builder, or see the Delhi pages: dry, oily, sensitive.
Your scalp and hair
Particles settle on hair and scalp too. On bad days, wash your hair a little more often than usual, with a gentle shampoo, and avoid leaving a dirty scalp overnight. If your scalp itches or flakes, that's a separate problem (see our hair fall guide).
What not to bother with
- "Detox" masks and charcoal scrubs. There's no good evidence they remove pollutants any better than a proper wash, and harsh ones irritate.
- Long routines. More steps means more chances to irritate a stressed barrier.
- Anything promising a "pollution shield". No cream makes a barrier against fine particles.
Quick answers
Does pollution cause pigmentation?
Studies suggest an association, particularly with pigment spots, but the link isn't fully proven. Sun exposure is the stronger and better-established cause.
Do masks help my skin?
A properly fitted N95 or FFP2 mask mainly protects your lungs. For skin, a mask can cause friction and breakouts, so keep skin clean and moisturised under it.
Do air purifiers help skin?
They reduce indoor particles, which is good for your lungs. Whether that improves skin hasn't been measured well.