Skin Encyclopedia

An evidence-based skincare reference by SYNC Beauty.

Encyclopedia

Ingrown Hairs

hairs that curl back or grow sideways into the skin instead of rising up out of the follicle, producing small, sometimes tender bumps. They often follow shaving, waxing, or plucking...

Ingrown Hairs

hairs that curl back or grow sideways into the skin instead of rising up out of the follicle, producing small, sometimes tender bumps. They often follow shaving, waxing, or plucking...

Cellulite

the dimpled, uneven skin texture that commonly appears on the thighs, buttocks, and hips, often described as looking like orange peel or cottage cheese. It occurs when fat pushes against...

Cellulite

the dimpled, uneven skin texture that commonly appears on the thighs, buttocks, and hips, often described as looking like orange peel or cottage cheese. It occurs when fat pushes against...

Stretch Marks

narrow, streak-like lines that form when skin is stretched rapidly and its underlying support structures are disrupted. Known medically as striae, they often start reddish or purple and gradually fade...

Stretch Marks

narrow, streak-like lines that form when skin is stretched rapidly and its underlying support structures are disrupted. Known medically as striae, they often start reddish or purple and gradually fade...

Chest and Décolletage Aging

the wrinkling, crepey texture, sun spots, and mottled redness that develop on the upper chest and neckline area. This delicate skin is thin and heavily sun-exposed yet frequently overlooked, so...

Chest and Décolletage Aging

the wrinkling, crepey texture, sun spots, and mottled redness that develop on the upper chest and neckline area. This delicate skin is thin and heavily sun-exposed yet frequently overlooked, so...

Neck Aging and Tech Neck

the visible changes that develop on the neck over time, including horizontal lines, crepey texture, sagging, and pigment shifts. The term tech neck refers to creasing and premature lines linked...

Neck Aging and Tech Neck

the visible changes that develop on the neck over time, including horizontal lines, crepey texture, sagging, and pigment shifts. The term tech neck refers to creasing and premature lines linked...

Age Spots on Hands

flat, darkened patches of skin that appear on the backs of the hands, usually tan, brown, or grayish in color. Also called solar lentigines or liver spots, they form where...

Age Spots on Hands

flat, darkened patches of skin that appear on the backs of the hands, usually tan, brown, or grayish in color. Also called solar lentigines or liver spots, they form where...