Questions sur DR ALTHEA Sérum Pureté Niacinamide 15% 30ml

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Q1: Is 15% niacinamide too strong?

It is a high concentration. If you have not used niacinamide before, start every second day and increase as your skin adjusts.

Q2: Can I use it morning and night?

Yes, once your skin has adapted. Follow with sunscreen in the morning.

Q3: Can I use it with vitamin C?

Yes, though many people prefer to separate them, using vitamin C in the morning and this in the evening.

Q4: Is it fragranced?

No parfum is added, but the formula contains rosemary and tea tree leaf oils, and limonene and linalool are listed. Patch test if you react to aromatic plant ingredients.

Q5: Will it help with oily skin?

Zinc PCA is included specifically for oil balance, which is why the formula is aimed at oily and combination skin.

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