How to use them
Use them in the same routine at night. Apply Lactic Acid first, then Zinc PCA, moving from thinnest to thickest texture.
- 1CleanseGentle cleanser, pat dry
- 2Lactic Acid5% – 10%, wait about 1 minute
- 3Zinc PCA1%
- 4Moisturiserseal everything in
What Lactic Acid does
A gentler AHA with a larger molecule. It exfoliates while also acting as a humectant, so it suits dry and sensitive skin that cannot tolerate glycolic acid.
- Typical strength
- 5% – 10%
- When
- PM
- Irritation
- Best for
- Dry, Normal And Sensitive skin
Everything that pairs with Lactic Acid →
What Zinc PCA does
Zinc salts help regulate sebum and have mild anti-inflammatory and antibacterial effects. That is why zinc so often appears next to niacinamide in oil-control serums.
- Typical strength
- 1%
- When
- AM/PM
- Irritation
- Best for
- Oily And Combination skin
Everything that pairs with Zinc PCA →
Frequently asked questions
Can I use Lactic Acid and Zinc PCA together?
Yes, it is safe. There is no known chemical conflict between Lactic Acid and Zinc PCA, and neither makes the other less effective.
Which goes first, Lactic Acid or Zinc PCA?
Apply Lactic Acid first, then Zinc PCA. The general rule is thinnest to thickest texture, and lowest pH first.
Should I use Lactic Acid in the morning or at night?
Lactic Acid: best at night. Use 2–3 nights a week. It is good for beginners to exfoliation. Follow with a moisturiser, and wear SPF the next day.
Should I use Zinc PCA in the morning or at night?
Zinc PCA: works morning or night. Use once or twice daily. It works best as part of a niacinamide or oil-control serum.