Dr. Idriss
Left Un-Red Reducer Face Serum for Redness and Blemish Prone Skin
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$68.00or 4 payments of $17.00 with 
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Size: 0.96 fl oz/28 ml
Standard size
About the Product
Item 2938108
Only at Sephora
What it is: A redness-reducing azelaic acid treatment serum that targets flushing and breakouts, with the National Rosacea Society Seal of Acceptance.
Skin Type: Normal, Dry, Combination, and Oily
Skincare Concerns: Pores, Redness, Acne and Blemishes
Formulation: Serum
Highlighted Ingredients:
- 10% Azelaic Acid Complex: Reduces the look of breakouts and redness.
- 18-ß-Glycyrrhetinic Acid: Decreases redness and soothes skin irritation.
- Capryloyl Glycine: Regulates oil production.
Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also cruelty-free.
What Else You Need to Know: Minimize redness and irritation, preventing future flare-ups and balance oil production. The Reducer Serum is sensitive-skin friendly and fragrance-free, containing two cartridges to ensure the highest level of formula freshness. This product is clinically backed and was developed by board-certified dermatologist Dr. Idriss (@shereeneidriss) with her favorite hydrating ingredient, glycerin.
Clinical Results: Based on an independent, third-party clinical study and consumer-perception study of 34 subjects who used the Left Un-Red Reducer Serum and CalmBack Cream for 8 weeks:
- 97% of users reported reduced appearance of chronic or frequent redness
- 100% of users reported reduced severity of flareups
- 97% of users reported soothing of chronically sensitive, inflamed skin
Skin Type: Normal, Dry, Combination, and Oily
Skincare Concerns: Pores, Redness, Acne and Blemishes
Formulation: Serum
Highlighted Ingredients:
- 10% Azelaic Acid Complex: Reduces the look of breakouts and redness.
- 18-ß-Glycyrrhetinic Acid: Decreases redness and soothes skin irritation.
- Capryloyl Glycine: Regulates oil production.
Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also cruelty-free.
What Else You Need to Know: Minimize redness and irritation, preventing future flare-ups and balance oil production. The Reducer Serum is sensitive-skin friendly and fragrance-free, containing two cartridges to ensure the highest level of formula freshness. This product is clinically backed and was developed by board-certified dermatologist Dr. Idriss (@shereeneidriss) with her favorite hydrating ingredient, glycerin.
Clinical Results: Based on an independent, third-party clinical study and consumer-perception study of 34 subjects who used the Left Un-Red Reducer Serum and CalmBack Cream for 8 weeks:
- 97% of users reported reduced appearance of chronic or frequent redness
- 100% of users reported reduced severity of flareups
- 97% of users reported soothing of chronically sensitive, inflamed skin
-10% Azelaic Acid Complex: Reduces the look of breakouts and redness.
-18-ß-Glycyrrhetinic Acid: Decreases redness and soothes skin irritation.
-Capryloyl Glycine: Regulates oil production.
Water/Aqua/Eau, Glycerin, Propanediol, Potassium Azeloyl Diglycinate, Azelaic Acid, Pentylene Glycol, Caprylic/Capric Triglyceride, Butyrospermum Parkii (Shea) Butter, Dipropylene Glycol, Cetearyl Olivate, Cetyl Alcohol, Sorbitan Olivate, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Dimethicone, Sodium Hydroxide, Glycyrrhetinic Acid, Hydroxyphenyl Propamidobenzoic Acid, Salix Alba (Willow) Bark Extract, Apricot Kernel Oil Polyglyceryl-6 Esters, Proline, Magnolol, Honokiol, Sodium Phytate, Ascorbyl Palmitate, Bisabolol, Capryloyl Glycine, Ethylhexylglycerin, Butylene Glycol, Sorbitan Oleate, Polyglyceryl-6 Caprylate, Xanthan Gum, Polysorbate 80, Polyglycery-10 Oleate, Isohexadecane, Sorbitan Palmitate, Sodium Bicarbonate, Phenoxyethanol, Yellow 5 (CI 19140), Blue 1 (CI 42090).
-18-ß-Glycyrrhetinic Acid: Decreases redness and soothes skin irritation.
-Capryloyl Glycine: Regulates oil production.
Water/Aqua/Eau, Glycerin, Propanediol, Potassium Azeloyl Diglycinate, Azelaic Acid, Pentylene Glycol, Caprylic/Capric Triglyceride, Butyrospermum Parkii (Shea) Butter, Dipropylene Glycol, Cetearyl Olivate, Cetyl Alcohol, Sorbitan Olivate, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Dimethicone, Sodium Hydroxide, Glycyrrhetinic Acid, Hydroxyphenyl Propamidobenzoic Acid, Salix Alba (Willow) Bark Extract, Apricot Kernel Oil Polyglyceryl-6 Esters, Proline, Magnolol, Honokiol, Sodium Phytate, Ascorbyl Palmitate, Bisabolol, Capryloyl Glycine, Ethylhexylglycerin, Butylene Glycol, Sorbitan Oleate, Polyglyceryl-6 Caprylate, Xanthan Gum, Polysorbate 80, Polyglycery-10 Oleate, Isohexadecane, Sorbitan Palmitate, Sodium Bicarbonate, Phenoxyethanol, Yellow 5 (CI 19140), Blue 1 (CI 42090).
Suggested Usage:
-Apply morning and night on clean, dry skin.
-Twist bottom of the pen to the left to dispense.
-Dispense two to four pumps per application.
-Massage serum all over face.
-For best results, follow at night with Left Un-Red CalmBack Cream (sold separately).
To Refill:
-Twist the bottom of the pen to the left to unlock the old cartridge.
-Remove the cap from a new cartridge.
-Pull out the old cartridge and replace with the new one.
-Apply morning and night on clean, dry skin.
-Twist bottom of the pen to the left to dispense.
-Dispense two to four pumps per application.
-Massage serum all over face.
-For best results, follow at night with Left Un-Red CalmBack Cream (sold separately).
To Refill:
-Twist the bottom of the pen to the left to unlock the old cartridge.
-Remove the cap from a new cartridge.
-Pull out the old cartridge and replace with the new one.
Use It With
Questions & Answers (0)
At Dr. Idriss, we eliminate the B.S. and fearmongering, focusing solely on high-performance formulas and ingredients used at the most effective levels for your skin. Our products are rooted in science, drawing from Dr. Idriss’ in-office experience, real results from patients, and clinical testing.