Star Flower Hydration Serum with Niacinamide and Hyaluronic Acid

Saint Jane Beauty Star Flower Hydration Serum with Niacinamide and Hyaluronic Acid is an excellent serum with an overall score of 8.3/9.8. Positioned in the luxury bracket, it delivers a well-rounded formulation that balances efficacy with gentleness. The formula leads with Caprylic/Capric Triglyceride, Butylene Glycol, Betaine — ingredients that support the skin barrier and moisture levels.

It performs well on hydration (8.5) and low irritation risk (9.5). On the flip side, active ingredient concentration is on the lighter side.

Is this right for you?

Great for

• ✓Dry or dehydrated skin — strong moisture-binding profile
• ✓Sensitive skin — low irritation risk with a gentle formulation
• ✓Safety-conscious shoppers — clean formulation with minimal flags

May not suit

• ⚠Those seeking potent actives — this leans more maintenance than treatment

Key ingredients

• ✶
  Caprylic/Capric Triglyceride

  Softens and smooths — #2 in the INCI list

• ✶
  Butylene Glycol

  Draws in moisture — #3 in the INCI list

• ✶
  Betaine

  Draws in moisture — #4 in the INCI list

• ✶
  Glycerin

  Draws in moisture — #5 in the INCI list

• ✶
  Pentylene Glycol

  Draws in moisture — #6 in the INCI list