
The why
Low-humidity travel to Arizona or Colorado calls for a heavier layer after tretinoin, especially in winter.
“I use Cerave skin renewing cream at night and only had minimal flaking for a couple of days with .05 tret.”
— Reddit, r/tretinoin
One minus
Too rich or sticky for summer, oily T-zones, and daytime layering
Good forDry Skin, Sensitive Skin, Combination Skin



























