emollients, type of moisturizer on white background.

skin moisturizer barrier hydration moisture emollients oil lipid fatty acid ingredient wrinkles reduce prevent seal loss ceramides collagen humectants occlusives absorb water nutrient layer aging eczema cell types cross epidermis dermis draw stratum corneum mechanism vector dehydration dry penetrating hydrate skincare cosmetic aesthetic cosmetology surface infographic structure flat design lubricate biology dermatology type isolated white background gap cells replace missing lipids background wrinkles