B3 Nice 10% Niacinamide Serum

Sunday Riley B3 Nice 10% Niacinamide Serum is an excellent serum with an overall score of 8.5/9.8. Positioned in the premium bracket, it delivers a well-rounded formulation that balances efficacy with gentleness. The formula leads with Niacinamide, Glycerin, Phenyl Trimethicone — ingredients that actively target skin concerns.

It performs well on low irritation risk (9.5) and active strength (7.6).

Is this right for you?

Great for

• ✓Sensitive skin — low irritation risk with a gentle formulation
• ✓Anyone wanting visible results — solid active ingredient lineup
• ✓Safety-conscious shoppers — clean formulation with minimal flags

Key ingredients

• ✶
  Niacinamide

  Works on your skin — #2 in the INCI list

• ✶
  Glycerin

  Draws in moisture — #3 in the INCI list

• ✶
  Phenyl Trimethicone

  Softens and smooths — #4 in the INCI list

• ✶
  Dimethyl Isosorbide

  Draws in moisture — #5 in the INCI list

• ✶
  Octyldodecanol

  Softens and smooths — #6 in the INCI list