Skin Encyclopedia

An evidence-based skincare reference by SYNC Beauty.

Encyclopedia

Do Peptides Really Work?

peptides are short chains of amino acids that act as signaling molecules in skincare, and certain types have research suggesting they can support the appearance of firmness, hydration, and skin...

Do Peptides Really Work?

peptides are short chains of amino acids that act as signaling molecules in skincare, and certain types have research suggesting they can support the appearance of firmness, hydration, and skin...

Can I Use Retinol Every Night From the Start?

for most people it is better to introduce retinol gradually rather than nightly from day one, since starting slowly helps skin adjust and reduces the dryness, redness, and flaking of...

Can I Use Retinol Every Night From the Start?

for most people it is better to introduce retinol gradually rather than nightly from day one, since starting slowly helps skin adjust and reduces the dryness, redness, and flaking of...

How Do I Choose Sunscreen for Dark Skin?

for deeper skin tones, the goal is broad-spectrum protection that blends cleanly without an ashy cast, which often means tinted or chemical formulas rather than heavy untinted mineral ones. Formulas...

How Do I Choose Sunscreen for Dark Skin?

for deeper skin tones, the goal is broad-spectrum protection that blends cleanly without an ashy cast, which often means tinted or chemical formulas rather than heavy untinted mineral ones. Formulas...

Why Does My Sunscreen Leave a White Cast?

a white cast is the pale or ashy residue some sunscreens leave, most often from mineral filters like zinc oxide and titanium dioxide that sit on the skin and reflect...

Why Does My Sunscreen Leave a White Cast?

a white cast is the pale or ashy residue some sunscreens leave, most often from mineral filters like zinc oxide and titanium dioxide that sit on the skin and reflect...

How Do I Prevent Sunscreen Pilling?

pilling happens when sunscreen and the products beneath it ball up or flake instead of absorbing smoothly, often due to incompatible textures, too much product, or not enough time between...

How Do I Prevent Sunscreen Pilling?

pilling happens when sunscreen and the products beneath it ball up or flake instead of absorbing smoothly, often due to incompatible textures, too much product, or not enough time between...

Can I Wear Vitamin C and SPF Together?

yes, vitamin C and sunscreen are commonly used together and are often considered complementary in a morning routine. Antioxidant vitamin C helps neutralize free radicals that sunscreen does not fully...

Can I Wear Vitamin C and SPF Together?

yes, vitamin C and sunscreen are commonly used together and are often considered complementary in a morning routine. Antioxidant vitamin C helps neutralize free radicals that sunscreen does not fully...