Skin Encyclopedia

An evidence-based skincare reference by SYNC Beauty.

Encyclopedia

Skin pH

a measure of how acidic or alkaline the skin's surface is, typically sitting on the slightly acidic side of the scale in healthy skin. Maintaining this acidity supports barrier enzymes,...

Skin pH

a measure of how acidic or alkaline the skin's surface is, typically sitting on the slightly acidic side of the scale in healthy skin. Maintaining this acidity supports barrier enzymes,...

The Acid Mantle

a thin, slightly acidic film on the surface of the skin formed from sebum, sweat, fatty acids, and byproducts of the skin microbiome. It helps maintain the skin's optimal pH,...

The Acid Mantle

a thin, slightly acidic film on the surface of the skin formed from sebum, sweat, fatty acids, and byproducts of the skin microbiome. It helps maintain the skin's optimal pH,...

The Skin Microbiome

the community of bacteria, fungi, viruses, and other microorganisms that live on the surface of the skin and within its follicles and glands. This ecosystem interacts with the skin barrier...

The Skin Microbiome

the community of bacteria, fungi, viruses, and other microorganisms that live on the surface of the skin and within its follicles and glands. This ecosystem interacts with the skin barrier...

Langerhans Cells

specialized immune cells found within the epidermis that act as sentinels, detecting and responding to foreign substances, microbes, and allergens. They capture these invaders and help initiate the skin's immune...

Langerhans Cells

specialized immune cells found within the epidermis that act as sentinels, detecting and responding to foreign substances, microbes, and allergens. They capture these invaders and help initiate the skin's immune...

Melanocytes

specialized cells in the deepest layer of the epidermis that produce melanin, the pigment responsible for skin, hair, and eye color. Melanin also helps protect skin cells by absorbing and...

Melanocytes

specialized cells in the deepest layer of the epidermis that produce melanin, the pigment responsible for skin, hair, and eye color. Melanin also helps protect skin cells by absorbing and...

Fibroblasts

the primary cells of the dermis, responsible for producing collagen, elastin, and other components of the extracellular matrix that give skin its structure and elasticity. They play a central role...

Fibroblasts

the primary cells of the dermis, responsible for producing collagen, elastin, and other components of the extracellular matrix that give skin its structure and elasticity. They play a central role...