Skin Encyclopedia

An evidence-based skincare reference by SYNC Beauty.

Encyclopedia

Can I Use Benzoyl Peroxide Every Day?

benzoyl peroxide can be used daily by many people to treat acne, as it reduces acne-causing bacteria and helps clear clogged pores. Because it can be drying, many start with...

Can I Use Benzoyl Peroxide Every Day?

benzoyl peroxide can be used daily by many people to treat acne, as it reduces acne-causing bacteria and helps clear clogged pores. Because it can be drying, many start with...

Can I Use Salicylic Acid Every Day?

many people can tolerate a low-concentration salicylic acid product daily, since this oil-soluble beta hydroxy acid gently exfoliates inside pores. Tolerance varies, however, so it is common to start a...

Can I Use Salicylic Acid Every Day?

many people can tolerate a low-concentration salicylic acid product daily, since this oil-soluble beta hydroxy acid gently exfoliates inside pores. Tolerance varies, however, so it is common to start a...

Can Teenagers Use Retinol?

over-the-counter retinol is generally not necessary for most teens, whose skin already renews quickly, though certain prescription retinoids are commonly used under a dermatologist's care to treat acne. When a...

Can Teenagers Use Retinol?

over-the-counter retinol is generally not necessary for most teens, whose skin already renews quickly, though certain prescription retinoids are commonly used under a dermatologist's care to treat acne. When a...

Should Men Use Different Skincare?

skin function is largely the same regardless of gender, so the core principles of cleansing, moisturizing, and daily sun protection apply to everyone. Men's skin does tend to be slightly...

Should Men Use Different Skincare?

skin function is largely the same regardless of gender, so the core principles of cleansing, moisturizing, and daily sun protection apply to everyone. Men's skin does tend to be slightly...

How Soon Can I Wear Makeup After Skincare?

the general guidance is to let each skincare layer absorb for roughly one to five minutes before applying makeup, so products settle rather than pill or slide. Water-based and lightweight...

How Soon Can I Wear Makeup After Skincare?

the general guidance is to let each skincare layer absorb for roughly one to five minutes before applying makeup, so products settle rather than pill or slide. Water-based and lightweight...

How Do I Introduce a New Active?

the general approach is to add one product at a time and start with a low frequency, giving your skin time to adjust before increasing use. Patch testing first and...

How Do I Introduce a New Active?

the general approach is to add one product at a time and start with a low frequency, giving your skin time to adjust before increasing use. Patch testing first and...