Encyclopedia
Trans-Epidermal Delivery
the process by which a topically applied ingredient moves across the outermost layers of the skin to reach deeper, living tissue where it can act. It describes how molecules navigate...
Trans-Epidermal Delivery
the process by which a topically applied ingredient moves across the outermost layers of the skin to reach deeper, living tissue where it can act. It describes how molecules navigate...
Barrier Function
the skin's ability to keep water in and unwanted substances out, largely carried out by the outermost layer of the epidermis. A healthy barrier helps maintain hydration and comfort and...
Barrier Function
the skin's ability to keep water in and unwanted substances out, largely carried out by the outermost layer of the epidermis. A healthy barrier helps maintain hydration and comfort and...
Ceramide Ratio
the relative proportions of the key barrier lipids in the skin, classically described as ceramides, cholesterol, and free fatty acids. Maintaining a suitable balance among these lipids is important for...
Ceramide Ratio
the relative proportions of the key barrier lipids in the skin, classically described as ceramides, cholesterol, and free fatty acids. Maintaining a suitable balance among these lipids is important for...
Biomimetic
describing ingredients or technologies designed to imitate structures, molecules, or processes found in nature or in the skin itself. In skincare this often means actives engineered to work in harmony...
Biomimetic
describing ingredients or technologies designed to imitate structures, molecules, or processes found in nature or in the skin itself. In skincare this often means actives engineered to work in harmony...
Skin Identical Ingredient
a substance used in skincare that matches or closely mirrors a component naturally found in healthy skin, such as ceramides, hyaluronic acid, or certain fatty acids. Because they resemble the...
Skin Identical Ingredient
a substance used in skincare that matches or closely mirrors a component naturally found in healthy skin, such as ceramides, hyaluronic acid, or certain fatty acids. Because they resemble the...
Epidermal Turnover
the ongoing process by which new skin cells form in the deeper epidermis, migrate upward, and are eventually shed from the surface. This cycle renews the outer skin over a...
Epidermal Turnover
the ongoing process by which new skin cells form in the deeper epidermis, migrate upward, and are eventually shed from the surface. This cycle renews the outer skin over a...
