Skin Encyclopedia

An evidence-based skincare reference by SYNC Beauty.

Encyclopedia

Ceramides vs Hyaluronic Acid

two barrier-supporting ingredients that work in different ways, where ceramides are lipids that help hold skin cells together and reinforce the protective barrier, while hyaluronic acid is a humectant that...

Ceramides vs Hyaluronic Acid

two barrier-supporting ingredients that work in different ways, where ceramides are lipids that help hold skin cells together and reinforce the protective barrier, while hyaluronic acid is a humectant that...

Hyaluronic Acid vs Polyglutamic Acid

two water-attracting humectants often compared for hydration, with hyaluronic acid drawing moisture into the skin and polyglutamic acid forming a light film on the surface that helps hold water in...

Hyaluronic Acid vs Polyglutamic Acid

two water-attracting humectants often compared for hydration, with hyaluronic acid drawing moisture into the skin and polyglutamic acid forming a light film on the surface that helps hold water in...

Hyaluronic Acid vs Glycerin

two of the most widely used humectants, ingredients that draw water into the skin, with hyaluronic acid being a large water-binding molecule and glycerin a smaller, highly effective moisture magnet....

Hyaluronic Acid vs Glycerin

two of the most widely used humectants, ingredients that draw water into the skin, with hyaluronic acid being a large water-binding molecule and glycerin a smaller, highly effective moisture magnet....

Niacinamide vs Azelaic Acid

two multitasking ingredients frequently recommended for blemish-prone and uneven skin, with niacinamide (vitamin B3) regulating oil and supporting the barrier, while azelaic acid offers gentle exfoliating, antibacterial, and tone-evening benefits....

Niacinamide vs Azelaic Acid

two multitasking ingredients frequently recommended for blemish-prone and uneven skin, with niacinamide (vitamin B3) regulating oil and supporting the barrier, while azelaic acid offers gentle exfoliating, antibacterial, and tone-evening benefits....

Vitamin C vs Alpha Arbutin

two brightening ingredients approached from different angles, where vitamin C works broadly as an antioxidant that also helps fade discoloration, while alpha arbutin more selectively targets excess pigment by interrupting...

Vitamin C vs Alpha Arbutin

two brightening ingredients approached from different angles, where vitamin C works broadly as an antioxidant that also helps fade discoloration, while alpha arbutin more selectively targets excess pigment by interrupting...

Vitamin C vs Retinol

a comparison between an antioxidant and a cell-turnover ingredient that are often seen as cornerstone actives, with vitamin C defending skin from free radicals and brightening tone, while retinol (a...

Vitamin C vs Retinol

a comparison between an antioxidant and a cell-turnover ingredient that are often seen as cornerstone actives, with vitamin C defending skin from free radicals and brightening tone, while retinol (a...