I adore this for skin irritation, whether it's for sunburn or from Retina exposure.
我喜欢这个皮肤刺激,无论是对晒伤或维生素甲暴露。
3
One potential downside is that alpha-hydroxy acids "thin out the epidermis, making it a little more sensitive to being sunburned," but not nearly as sensitive as it is to Retin-A, he said.