Sun or no sun? That is the question

Depigmented skin is more sensitive to sun exposure, and sunburn may be the detonating factor of vitiligo in people with a predisposition to the illness.

Sun is beneficial against vitiligo because it stimulates melanin production. However, it should be taken with considerable caution, taking into account the photo-type of the skin, and controlling exposure times.

Controlled exposure to the sun (or exposure using narrow-band UVB phototherapy lamps) strengthens the production of melanin, re-pigmenting affected areas.

It is true that the sun accentuates the visibility of patches as the areas of skin not affected by vitiligo become more tanned, which is why some dermatologists recommend even higher factor sun-protection for the non-affected areas and controlled exposure times to avoid burns.

In this respect, it is important to take into account that patients with vitiligo have to use sun-protection at all times on exposed areas, not just in summer. Factor 30 or higher Sun Protection is recommended, to be applied half an hour before exposure, reapplying every two hours or after contact with water, and using clothes to cover the areas.

Another good alternative for concealing the difference between the affected and unaffected areas is to use toners tonalizadores, which mask the vitiligo. They are not conventional self-tanners. These toners are specially designed for people with vitiligo and they produce a chemical reaction on the external layer of skin, achieving a more natural tanned look.

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