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Concern

Sun protection

Sunscreen is the most proven step for preventing sunburn, skin cancer risk and visible aging. See a dermatologist for skin checks, especially with moles or a family history.

Combine with other concerns

Actives that work

Broad-spectrum sunscreen

strong evidence Typical: SPF 30-50, reapplied every 2 hours outdoors

Filters UVA and UVB to cut cumulative damage. In 903 adults, daily sunscreen users showed no detectable aging increase over 4.5 years, about 24% less than discretionary users.

Iron oxides (tinted sunscreen)

moderate evidence Typical: in tinted mineral SPF

Block visible light, which darkens pigment in medium-to-deep skin tones. Adding iron oxide improved melasma over UV-only sunscreen.

Antioxidants (vitamin C + E + ferulic acid)

moderate evidence Typical: 15% C, 1% E, 0.5% ferulic

Add a second layer of defense against UV free radicals. They improve photoprotection but do not replace sunscreen.

What to buy

Cheapest first. Start with the budget pick.

Routine

Morning

  1. Broad-spectrum SPF 30+ every morning (about 1/4 tsp for face)
  2. Antioxidant serum under sunscreen (optional)

Evening

  1. Cleanse sunscreen off well

Reapply every 2 hours outdoors; most benefit comes from daily consistency.

Cautions. Sunscreen reduces but does not eliminate risk; seek shade and see a dermatologist for skin checks. Patch test new sunscreens.

This is general information, not medical advice. See a dermatologist for persistent or severe concerns.