It is a formulation of Vitamin A that is applied to the skin to reduce signs of aging and acne.
It is an ingredient commonly found in skin cream, lotions and serums.
If used incorrectly, retinol can lead to dryness, redness and stinging.
Combining retinol with vitamin C can lead to peeling, redness and irritation.
Benzoyl Peroxide and retinol deactivate each other because of their pH levels.
Since both the ingredients can irritate skin, it is recommended to avoid using them together.
Using salicylic acid and retinol together can cause redness and skin irritation.
In case you need to use any of the above, try and use it on alternate days with retinol.