Skin Encyclopedia

An evidence-based skincare reference by SYNC Beauty.

Encyclopedia

Retinol vs Tretinoin

a comparison between retinol, an over-the-counter retinoid, and tretinoin, a prescription-strength retinoic acid. Both belong to the vitamin A family and share similar goals, but they differ in strength, regulatory...

Retinol vs Tretinoin

a comparison between retinol, an over-the-counter retinoid, and tretinoin, a prescription-strength retinoic acid. Both belong to the vitamin A family and share similar goals, but they differ in strength, regulatory...

Retinol vs Bakuchiol

a comparison between retinol, a vitamin A derivative, and bakuchiol, a plant-derived ingredient often positioned as a gentler alternative with similar aims. Both are used to support smoother, more even-looking...

Retinol vs Bakuchiol

a comparison between retinol, a vitamin A derivative, and bakuchiol, a plant-derived ingredient often positioned as a gentler alternative with similar aims. Both are used to support smoother, more even-looking...

Routine for Firming and Elasticity

a routine geared toward supporting the look of firmer, more resilient skin and helping maintain a bouncy, elastic appearance over time. It commonly relies on collagen-supporting actives, hydration, and consistent...

Routine for Firming and Elasticity

a routine geared toward supporting the look of firmer, more resilient skin and helping maintain a bouncy, elastic appearance over time. It commonly relies on collagen-supporting actives, hydration, and consistent...

Routine for Brightening

a routine focused on improving the look of dullness and uneven tone to support a more radiant, even-looking complexion. It generally pairs antioxidant and tone-evening ingredients with exfoliation and diligent...

Routine for Brightening

a routine focused on improving the look of dullness and uneven tone to support a more radiant, even-looking complexion. It generally pairs antioxidant and tone-evening ingredients with exfoliation and diligent...

Routine for Redness-Prone Skin

a gentle skincare approach designed for skin that flushes easily or shows persistent redness, emphasizing soothing ingredients and barrier support while minimizing potential irritants. The goal is to calm the...

Routine for Redness-Prone Skin

a gentle skincare approach designed for skin that flushes easily or shows persistent redness, emphasizing soothing ingredients and barrier support while minimizing potential irritants. The goal is to calm the...

Routine for Textured Skin

a set of skincare steps aimed at smoothing the look of uneven surface texture, such as roughness, bumps, or the appearance of enlarged pores. It typically combines gentle exfoliation with...

Routine for Textured Skin

a set of skincare steps aimed at smoothing the look of uneven surface texture, such as roughness, bumps, or the appearance of enlarged pores. It typically combines gentle exfoliation with...