Left Un-Red Reducer Face Serum for Redness and Blemish Prone Skin
Dr. Idriss Left Un-Red Reducer Face Serum for Redness and Blemish Prone Skin scores 7.5/9.8 overall. It ranks highest in low irritation risk (9.5) and formulation safety (9.0).
✶ Hero ingredients
One of the most effective humectants
Draws in moisture
Works on your skin
Score breakdown
Scores last verified: July 2026
What makes Dr. Idriss Left Un-Red Reducer Face Serum for Redness and Blemish Prone Skin stand out
Dr. Idriss Left Un-Red Reducer Face Serum for Redness and Blemish Prone Skin is a solid serum with an overall score of 7.5/9.8. Positioned in the premium bracket, it delivers a well-rounded formulation that balances efficacy with gentleness. The formula leads with Glycerin, Propanediol, Potassium Azeloyl Diglycinate — ingredients that support the skin barrier and moisture levels.
It performs well on hydration (7.5) 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
- ✶Glycerin
Draws in moisture — #2 in the INCI list
- ✶Propanediol
Draws in moisture — #3 in the INCI list
- ✶Potassium Azeloyl Diglycinate
Works on your skin — #4 in the INCI list
- ✶Azelaic Acid
Works on your skin — #5 in the INCI list
- ✶Pentylene Glycol
Draws in moisture — #6 in the INCI list
Full ingredient list
34 ingredients — listed in INCI order (highest concentration first)
Compare with similar products
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- Skinfix barrier+ Triple Lipid Activating Serum With Plumping Peptides and Niacinamide9.6
- innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars9.6
Ingredient breakdown
- Works on your skin8
- Holds the formula together7
- Draws in moisture6
- Softens and smooths4
- Formula balancers4
- Keeps the product fresh2
- Added colour2
- Other ingredient1