Pyridoxine HCl is the water-soluble hydrochloride salt of vitamin B6, used topically as a skin-conditioning agent that may help regulate sebum production and support skin barrier function. It is found in formulations targeting oily or acne-prone skin.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation or redness | Uncommon | Transient and typically resolves with discontinuation |
| Allergic contact dermatitis | Rare | Sensitization to topical pyridoxine has been documented in case reports |
| Photosensitivity reactions | Very rare | Reported with high-dose vitamin B6 exposure, mainly systemic |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.