Mechanism of action
Applying tretinoin to the areas of your skin with acne will help to unblock pores, and to treat blackheads and whiteheads
If you have been using a preparation for your acne that causes your skin to peel, allow your skin to recover for a few days before you start using tretinoin.Do not use tretinoin on any areas of skin which are sunburnt or sore. Also, try to avoid getting tretinoin on the sensitive areas of your skin in or around It is best if you wash and gently dry the affected areas of your skin before you apply tretinoin. nostrils, your eyes and your mouth.
use a mild soap and lukewarm water to wash with, as very hot or cold water may worsen acne. Do not wash more than you normally do
You may use make-up and moisturisers, but do not apply them at the same time as you use tretinoin. You should not use any skin products which exfoliate or dry your skin.
Tretinoin may cause your skin to become more sensitive to sunlight than usual. You should avoid strong sunlight and sunbeds, and use a sunscreen with a high sun protection factor (an SPF of at least 15).