Ingredient pairing
Can you mix Citric Acid and Vitamin C (LAA)?
Use with careUse these with care.
Pure vitamin C is itself an acid, so pairing it with other exfoliating acids is acid on acid.
Do this: Watch for irritation, and ideally use them on separate days.
Routine: Better kept to separate days than layered.
Skip if: very sensitive, compromised barrier
Ask your doctor in pregnancySkip if: very sensitive, rosacea
Ask your doctor in pregnancyWhich one goes first?
Best kept apart
Rather than layering them, keep Citric Acid and Vitamin C (LAA) in separate routines or on separate days.
How to introduce Citric Acid and Vitamin C (LAA)
- Patch test each one first: a coin-sized amount on your inner forearm for two or three days, watching for redness or stinging.
- Keep them on separate days rather than together, so they are not both working on your skin at once.
- Start the exfoliating acid at once or twice a week and increase gradually, giving your skin time to settle between steps.
- If skin turns tight, flaky, red or starts to sting, drop back a step and let your barrier recover for a few days before pushing on again.
There is room for both here, as long as you build up gently and let your skin set the pace.
For your skin type Sensitive skin should ease in gently: Citric Acid and Vitamin C (LAA) can be mildly irritating on their own, and more so alongside another active.
Also worth checking
More pairings with Citric Acid
More pairings with Vitamin C (LAA)
Citric Acid and Vitamin C (LAA), answered
Can you mix Citric Acid and Vitamin C (LAA)?
Use these with care. Pure vitamin C is itself an acid, so pairing it with other exfoliating acids is acid on acid. Watch for irritation, and ideally use them on separate days.
Should you use Citric Acid and Vitamin C (LAA) in the morning or at night?
Keep them in separate routines or on separate days rather than at the same time.
How should you introduce Citric Acid and Vitamin C (LAA)?
Patch test each one first: a coin-sized amount on your inner forearm for two or three days, watching for redness or stinging. Keep them on separate days rather than together, so they are not both working on your skin at once. Start the exfoliating acid at once or twice a week and increase gradually, giving your skin time to settle between steps. If skin turns tight, flaky, red or starts to sting, drop back a step and let your barrier recover for a few days before pushing on again. There is room for both here, as long as you build up gently and let your skin set the pace.
What else should you not mix with Citric Acid?
Citric Acid is best kept apart from Retinol, Retinal, Hydroxypinacolone Retinoate, Retinyl Palmitate. Introduce any new active one at a time.
Sources
- Telang, "Vitamin C in dermatology" (Indian Dermatology Online Journal, 2013)
- Kornhauser et al., "Applications of hydroxy acids" (Clinical, Cosmetic and Investigational Dermatology, 2010)
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General guidance, not medical advice. When in doubt, introduce one product at a time.