Skin Encyclopedia

An evidence-based skincare reference by SYNC Beauty.

Encyclopedia

How Do I Choose a Moisturizer for Oily Skin?

for oily skin, lightweight, non-comedogenic formulas such as gels or fluids often feel most comfortable while still providing needed hydration. Even oily skin benefits from moisturizer, since skipping it can...

How Do I Choose a Moisturizer for Oily Skin?

for oily skin, lightweight, non-comedogenic formulas such as gels or fluids often feel most comfortable while still providing needed hydration. Even oily skin benefits from moisturizer, since skipping it can...

Is It Normal for Retinol to Cause Redness?

some redness, along with dryness or flaking, is a common early response as skin adjusts to retinol, a process often called retinization. Mild, temporary redness usually eases over a few...

Is It Normal for Retinol to Cause Redness?

some redness, along with dryness or flaking, is a common early response as skin adjusts to retinol, a process often called retinization. Mild, temporary redness usually eases over a few...

Can I Exfoliate After Retinol?

using exfoliating acids right after retinol can increase irritation for many people, so a common strategy is to separate them, either on alternating days or at different times of day....

Can I Exfoliate After Retinol?

using exfoliating acids right after retinol can increase irritation for many people, so a common strategy is to separate them, either on alternating days or at different times of day....

Can I Use Retinol After Waxing?

it is generally recommended to wait before applying retinol after waxing, since waxing temporarily removes surface skin and can leave the area more sensitive and prone to irritation. Many people...

Can I Use Retinol After Waxing?

it is generally recommended to wait before applying retinol after waxing, since waxing temporarily removes surface skin and can leave the area more sensitive and prone to irritation. Many people...

How Do I Fix Over-Exfoliated Skin?

over-exfoliated skin generally recovers best when you pause all exfoliating acids and scrubs and focus on gentle, barrier-supporting care. The goal is to give the skin's protective barrier time to...

How Do I Fix Over-Exfoliated Skin?

over-exfoliated skin generally recovers best when you pause all exfoliating acids and scrubs and focus on gentle, barrier-supporting care. The goal is to give the skin's protective barrier time to...

Should I Use a Different Routine in Winter?

many people benefit from adjusting their routine in colder months, since low humidity, indoor heating, and wind can leave skin drier and more prone to a compromised barrier. Small changes,...

Should I Use a Different Routine in Winter?

many people benefit from adjusting their routine in colder months, since low humidity, indoor heating, and wind can leave skin drier and more prone to a compromised barrier. Small changes,...