Skin Encyclopedia

An evidence-based skincare reference by SYNC Beauty.

Encyclopedia

Acne Scarring

permanent changes in skin texture that result when acne inflammation damages the deeper layers of skin and disrupts normal healing. Scars can be depressed (atrophic) or raised (hypertrophic or keloid),...

Acne Scarring

permanent changes in skin texture that result when acne inflammation damages the deeper layers of skin and disrupts normal healing. Scars can be depressed (atrophic) or raised (hypertrophic or keloid),...

Post-Acne Marks (PIE and PIH)

the flat discolored marks that can linger after a breakout heals, distinct from raised or indented scars. Post-inflammatory erythema (PIE) appears as pink or red marks from lingering blood vessels,...

Post-Acne Marks (PIE and PIH)

the flat discolored marks that can linger after a breakout heals, distinct from raised or indented scars. Post-inflammatory erythema (PIE) appears as pink or red marks from lingering blood vessels,...

Chest Acne

acne that forms on the chest, an area rich in oil glands where clogged pores and inflammation are common. It is often influenced by sweat, friction from clothing, and heat,...

Chest Acne

acne that forms on the chest, an area rich in oil glands where clogged pores and inflammation are common. It is often influenced by sweat, friction from clothing, and heat,...

Back Acne (Bacne)

acne that appears on the back, commonly nicknamed bacne, where a high concentration of oil glands and frequent friction make breakouts common. It can range from small clogged pores to...

Back Acne (Bacne)

acne that appears on the back, commonly nicknamed bacne, where a high concentration of oil glands and frequent friction make breakouts common. It can range from small clogged pores to...

Body Acne

acne that develops on areas of the body other than the face, most often the back, chest, shoulders, and upper arms. It forms through the same process of clogged pores,...

Body Acne

acne that develops on areas of the body other than the face, most often the back, chest, shoulders, and upper arms. It forms through the same process of clogged pores,...

Fungal Acne (Malassezia Folliculitis)

an acne-like condition caused by an overgrowth of Malassezia yeast within the hair follicles rather than by bacteria. It produces clusters of small, uniform, often itchy bumps, and unlike true...

Fungal Acne (Malassezia Folliculitis)

an acne-like condition caused by an overgrowth of Malassezia yeast within the hair follicles rather than by bacteria. It produces clusters of small, uniform, often itchy bumps, and unlike true...