Skin Encyclopedia

An evidence-based skincare reference by SYNC Beauty.

Encyclopedia

Occlusive

an ingredient that forms a protective layer on the skin's surface to slow the evaporation of water. By physically sealing in moisture, occlusives help reduce transepidermal water loss and support...

Occlusive

an ingredient that forms a protective layer on the skin's surface to slow the evaporation of water. By physically sealing in moisture, occlusives help reduce transepidermal water loss and support...

TEWL (Transepidermal Water Loss)

the process by which water evaporates from inside the body outward through the skin and into the environment. A certain baseline amount is normal, but an elevated rate can signal...

TEWL (Transepidermal Water Loss)

the process by which water evaporates from inside the body outward through the skin and into the environment. A certain baseline amount is normal, but an elevated rate can signal...

Can I Use Vitamin C for Dark Spots?

yes, topical vitamin C (ascorbic acid and its derivatives) is widely used to help fade hyperpigmentation and even skin tone. It works mainly as an antioxidant that interferes with melanin...

Can I Use Vitamin C for Dark Spots?

yes, topical vitamin C (ascorbic acid and its derivatives) is widely used to help fade hyperpigmentation and even skin tone. It works mainly as an antioxidant that interferes with melanin...

How Do I Fade Melasma Safely?

melasma is a common form of hyperpigmentation that appears as brown or gray-brown patches, often triggered by sun exposure, heat, and hormonal changes. It tends to be stubborn and prone...

How Do I Fade Melasma Safely?

melasma is a common form of hyperpigmentation that appears as brown or gray-brown patches, often triggered by sun exposure, heat, and hormonal changes. It tends to be stubborn and prone...

How Do I Fade Post-Acne Marks?

post-acne marks are the flat red, pink, or brown spots left after a blemish heals, and unlike true scarring they usually fade on their own over weeks to months. Consistent...

How Do I Fade Post-Acne Marks?

post-acne marks are the flat red, pink, or brown spots left after a blemish heals, and unlike true scarring they usually fade on their own over weeks to months. Consistent...

Are Copper Peptides Worth It?

copper peptides are compounds that pair copper with short amino-acid chains, studied for their potential to support wound healing, skin firmness, and antioxidant activity. Some find them a worthwhile addition...

Are Copper Peptides Worth It?

copper peptides are compounds that pair copper with short amino-acid chains, studied for their potential to support wound healing, skin firmness, and antioxidant activity. Some find them a worthwhile addition...