Question 1

Is this stronger than the 10% version?

Accepted Answer

Yes, the 20% concentration provides more dramatic results for stubborn concerns.

Question 2

How should I introduce this into my routine?

Accepted Answer

Start with every other day for 1 week, then gradually increase frequency.

Question 3

Can this replace my vitamin C serum?

Accepted Answer

They complement each other - use vitamin C in AM and this in PM for best results.

Question 4

Will this cause purging?

Accepted Answer

Niacinamide doesn't cause purging, but monitor for irritation with the higher concentration.

Question 5

Is this safe for rosacea-prone skin?

Accepted Answer

Patch test first - while niacinamide helps redness, 20% may be too strong for some.

Question 6

How does the peptide enhance results?

Accepted Answer

It works synergistically with niacinamide to boost collagen and elasticity.

Question 7

Can I use this with retinol?

Accepted Answer

Yes, but alternate nights initially to assess tolerance.

Question 8

When will I see results?

Accepted Answer

Improved hydration in 1 week, visible brightening in 2-3 weeks.

Question 9

Is this fragrance-free?

Accepted Answer

Yes, contains no added fragrance or essential oils.

Question 10

How should I store this?

Accepted Answer

Keep in a cool, dark place to maintain stability.

CosiQ Vitamin B3-20% Niacinamide + Peptides Face Serum