L-Ascorbic Acid (Vitamin C) with Peptides
L-ascorbic acid destabilizes copper peptides — do not co-apply.
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same application: true
pause it for this moment.
L-ascorbic acid destabilizes copper peptides — do not co-apply.
how to use it. Apply LAA in AM, copper peptides in PM.
same application: false
this can stay in your routine.
Separated in time, both function normally.
how to use it. AM vitamin C, PM copper peptides.
why it works. The reducing environment of LAA reduces copper from Cu(II) to Cu(I), destabilizing GHK-Cu peptide complexes.
Reviewed with 1 source on 2026-07-03.
L-Ascorbic Acid (Vitamin C) around Chemical Peel
Pause L-ascorbic acid for the peel and healing period.
also about l ascorbic acidL-Ascorbic Acid (Vitamin C) around Laser Resurfacing
Pause L-ascorbic acid before laser resurfacing.
also about l ascorbic acidL-Ascorbic Acid (Vitamin C) around Microneedling
Vitamin C in the immediate post-microneedling window can irritate open channels.
also about l ascorbic acidL-Ascorbic Acid (Vitamin C) during Breastfeeding
L-ascorbic acid is safe during breastfeeding.
also about l ascorbic acidL-Ascorbic Acid (Vitamin C) during Damaged Barrier
L-ascorbic acid at working pH (<3.5) stings compromised skin. Pause during acute flare.
also about l ascorbic acidL-Ascorbic Acid (Vitamin C) during Pregnancy
L-ascorbic acid is safe throughout pregnancy.