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Skin Intelligence · Sun Damage
Sun Damage.
Understanding the long-term effects of UV exposure on skin.
Understanding Sun Damage
What is this concern?
Sun damage (photoageing) refers to the changes in skin caused by cumulative UV exposure over time. It includes hyperpigmentation, textural changes, loss of elasticity, broken capillaries, and dullness. Unlike genetic ageing, photoageing can be significantly slowed and its visible effects reduced.
Sun damage is cumulative, gradual, and largely invisible until years later. But it is also largely preventable — and much of what appears can be meaningfully improved with the right approach.
Related concerns
Context
Common contributing factors.
These are common factors associated with this concern — not causes that apply to everyone. Skin is individual.
UVA radiation
UVA rays penetrate deeply, breaking down collagen and elastin and causing the structural changes of photoageing.
UVB radiation
UVB rays cause surface burning, acute damage, and significantly elevate melanin production.
Cumulative exposure
Daily incidental exposure — driving, walking, sitting near windows — accounts for the majority of lifetime UV damage.
Inadequate protection
Applying too little SPF, not reapplying, or using only SPF 15–20 provides insufficient protection for Indian UV levels.
Lifestyle
Habits that make a difference.
Small, consistent changes in daily habits often have a larger impact than any individual product.
SPF every day
The most important single habit. SPF 50+ applied generously every morning, rain or shine, indoors or out.
Reapply outdoors
SPF degrades with UV exposure and sweat. Reapply every 2–3 hours when outdoors.
Antioxidants
Vitamin C serums applied under SPF enhance protection by neutralising free radicals that escape past the filter.
Physical protection
Hats, sunglasses, and shade complement topical SPF — particularly between 10am and 4pm.
Daily skincare
Practical daily habits.
Apply SPF 50+ generously every single morning — including cloudy days and indoors near windows
Reapply SPF every 2–3 hours when spending time outdoors
Use a Vitamin C serum under SPF for enhanced antioxidant protection
Use retinol in the evening to support cell turnover and collagen synthesis
Address existing pigmentation with Niacinamide or Alpha Arbutin in your routine
Ingredient intelligence
Ingredients that
may help.
These ingredients have evidence supporting their use for sun damage. The right ingredient depends on your full skin profile — use this as a starting point, not a prescription.
Routine guide
A suggested routine.
This is a starting point — not a prescription. The most effective routine is one you can maintain consistently.
Gentle Cleanser
Cleanser
Vitamin C
Antioxidant Serum
Critical UV protection layer
Niacinamide
Niacinamide 10%
For existing pigmentation
Moisturiser
Moisturiser
SPF 50+
Broad-spectrum SPF
Non-negotiable
Weekly care
- ✦
Use a gentle AHA exfoliant 1–2 times per week to address texture from photoageing
- ✦
Assess SPF application amount — most people apply 25–50% of the recommended amount
FAQs
Common questions.
The OLOOK Journal
Related reading.
AI Skin Guide
Have a question about sun damage?
The OLOOK Skin Guide can help you think through your routine, ingredient compatibility, or any other question about this concern.
OLOOK Skin Guide
Ask me anything about sun damage…
