Question 1

Is this suitable for acne-prone skin?

Accepted Answer

Yes, niacinamide helps regulate sebum and reduce breakouts.

Question 2

Can I use this with vitamin C?

Accepted Answer

Yes, but apply vitamin C first and wait 5 minutes before niacinamide.

Question 3

How soon will I see results?

Accepted Answer

Improved hydration in 1 week, visible brightening in 3-4 weeks.

Question 4

Is this fragrance-free?

Accepted Answer

Yes, contains no added fragrance or essential oils.

Question 5

Can sensitive skin use this?

Accepted Answer

Yes, the formula includes soothing aloe vera and is non-irritating.

Question 6

How does this differ from 5% niacinamide?

Accepted Answer

The 10% concentration provides stronger results for pigmentation and pores.

Question 7

Should I refrigerate this?

Accepted Answer

Not required, but store in a cool, dark place.

Question 8

Can I use this around eyes?

Accepted Answer

Yes, but avoid direct contact with eyelids.

Question 9

Is this cruelty-free?

Accepted Answer

Yes, not tested on animals.

Question 10

How long does one bottle last?

Accepted Answer

Approximately 2-3 months with daily use.

CosIQ Vitamin B3-10% Niacinamide Face Serum