Ingredient pairing

Can you mix Tretinoin and Vitamin C (LAA)?

Q: Can you mix Tretinoin and Vitamin C (LAA)?

Use these with care. Pure vitamin C and retinoids prefer different pH levels, so layered together they can be a little less effective and more irritating. Keep vitamin C for mornings and the retinoid for evenings.

Use with careUse these with care.

Tretinoin Vitamin C (LAA)

Pure vitamin C and retinoids prefer different pH levels, so layered together they can be a little less effective and more irritating.

Do this: Keep vitamin C for mornings and the retinoid for evenings.

☀ Morning

Vitamin C (LAA)

☾ Evening

Tretinoin

TretinoinWorth paying for

Efficacy10

Acne10

Anti-aging10

Skip if: pregnancy, breastfeeding, very sensitive

Not in pregnancy

Vitamin C (LAA)Worth paying for

Brightening10

Efficacy9

Anti-aging7

Skip if: very sensitive, rosacea

Ask your doctor in pregnancy

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General guidance, not medical advice. When in doubt, introduce one product at a time.