1) Before using the product, do a patch test on a small area of the skin to see if it causes a reaction
2) Recommended for use in the evening. Be sure to apply sunscreen when using during the day
3) Avoid using the product after laser treatment as the skin may become more sensitive.
4) Avoid using it with a physical or chemical peel
5) During the initial phase of use, symptoms such as flacking, redness, and painful irritation could appear.