Skin Encyclopedia

An evidence-based skincare reference by SYNC Beauty.

Encyclopedia

Skin Sensitivity and Stinging

a heightened reactivity of the skin in which products, environmental factors, or touch trigger sensations like stinging, burning, tingling, or tightness. It often reflects a compromised skin barrier or heightened...

Skin Sensitivity and Stinging

a heightened reactivity of the skin in which products, environmental factors, or touch trigger sensations like stinging, burning, tingling, or tightness. It often reflects a compromised skin barrier or heightened...

Sparse and Thinning Brows

a reduction in eyebrow density or hair thickness that can make brows look patchy, faint, or uneven. It may stem from aging, over-plucking, hormonal changes, nutritional factors, certain medical conditions,...

Sparse and Thinning Brows

a reduction in eyebrow density or hair thickness that can make brows look patchy, faint, or uneven. It may stem from aging, over-plucking, hormonal changes, nutritional factors, certain medical conditions,...

Lip Pigmentation

variation in the natural color of the lips, which can range from darkening to uneven or patchy tones caused by melanin, blood flow, and external factors. It may result from...

Lip Pigmentation

variation in the natural color of the lips, which can range from darkening to uneven or patchy tones caused by melanin, blood flow, and external factors. It may result from...

Chapped and Dry Lips

a common condition in which the thin skin of the lips loses moisture and becomes tight, flaky, cracked, or sore. Because lips lack oil glands and have a very thin...

Chapped and Dry Lips

a common condition in which the thin skin of the lips loses moisture and becomes tight, flaky, cracked, or sore. Because lips lack oil glands and have a very thin...

Body Odor and Skin

the scent that develops when bacteria on the skin break down components of sweat, particularly in areas rich in apocrine glands like the underarms and groin. Fresh sweat is nearly...

Body Odor and Skin

the scent that develops when bacteria on the skin break down components of sweat, particularly in areas rich in apocrine glands like the underarms and groin. Fresh sweat is nearly...

Hyperhidrosis (Excessive Sweating)

a condition marked by sweating well beyond what the body needs to regulate temperature, often affecting the palms, soles, underarms, or face. It can be primary, with no underlying cause,...

Hyperhidrosis (Excessive Sweating)

a condition marked by sweating well beyond what the body needs to regulate temperature, often affecting the palms, soles, underarms, or face. It can be primary, with no underlying cause,...