Skin Encyclopedia

An evidence-based skincare reference by SYNC Beauty.

Encyclopedia

Niacinamide + Peptides

a supportive, barrier-friendly pairing that combines vitamin B3 with short chains of amino acids used as signaling ingredients in skincare. Niacinamide helps reinforce the skin barrier and manage the look...

Niacinamide + Peptides

a supportive, barrier-friendly pairing that combines vitamin B3 with short chains of amino acids used as signaling ingredients in skincare. Niacinamide helps reinforce the skin barrier and manage the look...

Niacinamide + Azelaic Acid

a gentle yet multitasking duo that pairs vitamin B3 with a naturally derived dicarboxylic acid, commonly used to address uneven tone, redness, and blemishes. Both ingredients are known for being...

Niacinamide + Azelaic Acid

a gentle yet multitasking duo that pairs vitamin B3 with a naturally derived dicarboxylic acid, commonly used to address uneven tone, redness, and blemishes. Both ingredients are known for being...

Niacinamide + Salicylic Acid

a pairing of a water-soluble vitamin B3 derivative with a beta-hydroxy acid, often used together to target excess oil, enlarged-looking pores, and breakouts. Niacinamide helps support the skin barrier and...

Niacinamide + Salicylic Acid

a pairing of a water-soluble vitamin B3 derivative with a beta-hydroxy acid, often used together to target excess oil, enlarged-looking pores, and breakouts. Niacinamide helps support the skin barrier and...

Niacinamide + Hyaluronic Acid

a gentle, hydrating pairing of vitamin B3 with a water-binding humectant, suitable for most skin types. Niacinamide supports the barrier and evens tone, while hyaluronic acid draws in moisture for...

Niacinamide + Hyaluronic Acid

a gentle, hydrating pairing of vitamin B3 with a water-binding humectant, suitable for most skin types. Niacinamide supports the barrier and evens tone, while hyaluronic acid draws in moisture for...

Niacinamide + Zinc

a pairing of vitamin B3 with zinc, often found together in formulas aimed at oily and blemish-prone skin. Niacinamide supports the barrier and evens tone, while zinc helps regulate oil...

Niacinamide + Zinc

a pairing of vitamin B3 with zinc, often found together in formulas aimed at oily and blemish-prone skin. Niacinamide supports the barrier and evens tone, while zinc helps regulate oil...

Vitamin C + AHA/BHA

a pairing of an antioxidant with chemical exfoliants such as glycolic, lactic, or salicylic acid that resurface the skin. All are acidic and potent, so combining them requires care to...

Vitamin C + AHA/BHA

a pairing of an antioxidant with chemical exfoliants such as glycolic, lactic, or salicylic acid that resurface the skin. All are acidic and potent, so combining them requires care to...