Skin Encyclopedia

An evidence-based skincare reference by SYNC Beauty.

Encyclopedia

Dull and Tired-Looking Skin

skin that lacks its usual brightness and radiance, often appearing flat, greyish, or fatigued rather than luminous. It is frequently linked to a buildup of dead surface cells, dehydration, uneven...

Dull and Tired-Looking Skin

skin that lacks its usual brightness and radiance, often appearing flat, greyish, or fatigued rather than luminous. It is frequently linked to a buildup of dead surface cells, dehydration, uneven...

Volume Loss and Facial Aging

the gradual reduction and redistribution of the fat, bone, and soft tissue that give the face its youthful fullness, leading to flatter cheeks, deeper folds, and more prominent hollows. It...

Volume Loss and Facial Aging

the gradual reduction and redistribution of the fat, bone, and soft tissue that give the face its youthful fullness, leading to flatter cheeks, deeper folds, and more prominent hollows. It...

Skin Laxity

the clinical term for reduced skin tightness, describing skin that has become loose or lax and recoils more slowly when stretched. It reflects underlying changes in the dermis, including diminished...

Skin Laxity

the clinical term for reduced skin tightness, describing skin that has become loose or lax and recoils more slowly when stretched. It reflects underlying changes in the dermis, including diminished...

Sagging Skin

a visible loosening and downward drift of skin where it no longer sits snugly against underlying tissue, most often noticed along the jawline, cheeks, neck, and under the eyes. It...

Sagging Skin

a visible loosening and downward drift of skin where it no longer sits snugly against underlying tissue, most often noticed along the jawline, cheeks, neck, and under the eyes. It...

Loss of Firmness and Elasticity

the gradual weakening of the skin's ability to resist deformation and snap back after being stretched, driven largely by declining collagen and elastin in the dermis. It typically appears as...

Loss of Firmness and Elasticity

the gradual weakening of the skin's ability to resist deformation and snap back after being stretched, driven largely by declining collagen and elastin in the dermis. It typically appears as...

Seborrheic Dermatitis

a common, chronic inflammatory condition that causes flaky, scaly patches and redness in areas rich in oil glands, such as the scalp, sides of the nose, eyebrows, and ears. On...

Seborrheic Dermatitis

a common, chronic inflammatory condition that causes flaky, scaly patches and redness in areas rich in oil glands, such as the scalp, sides of the nose, eyebrows, and ears. On...