Can I use Ascorbic Acid with Menadione?
Use with care
Ascorbic Acid and Menadione can interfere with each other or compound irritation when applied together. Introduce them on alternate days, or separate them between your AM and PM routines, and patch-test before combining.
Ascorbic AcidActive
- ✓Brightens
- ✓Boosts collagen
- ✓Antioxidant protection
- ⚠Unstable formula
- ⚠Can sting
- ⚠Sun sensitivity if unprotected
MenadioneOther
- ⚠GHS Category 1 skin sensitizer (H317) — allergic contact dermatitis documented in patch testing at concentrations as low as 0.01%
- ⚠GHS Category 2 skin irritant (H315)
- ⚠Pro-oxidant quinone: undergoes redox cycling generating reactive oxygen species (ROS); cytotoxic at higher concentrations
