Left Un-Red Reducer Serum by Dr. Idriss in green airless pump packaging
Left Un-Red Reducer Serum texture applied to skin with precision applicator. Your daily defense to reduce visible redness.
Before and after showing reduced facial redness after 8 weeks using Left Un-Red Reducer Serum + CalmBack Cream
Left Un-Red Reducer Serum highlighting azelaic acid complex, capryloyl glycine, and 18-S-glycyrrhetinic acid
Dr. Shereene Idriss holding Left Un-Red Reducer Serum for redness-prone skin and explaining why we made it.
Comparison of Left Un-Red Reducer Serum and Major Fade Hyper Serum for redness vs brown discoloration
Clinical results with Left Un-Red Reducer Serum + CalmBack Cream
How to apply Left Un-Red Reducer Serum using twist-to-dispense applicator
Left Un-Red Reducer Serum paired with Left Un-Red CalmBack Cream for redness care
Dermatologist-recommended routine featuring Left Un-Red Reducer Serum morning and night
Left Un-Red Reducer Serum approved by the National Rosacea Society for redness-prone, sensitive skin
How to refill Left Un-Red Reducer Serum using the twist-to-unlock refill cartridge system
Left Un-Red Reducer Serum by Dr. Idriss in green airless pump packaging
Left Un-Red Reducer Serum texture applied to skin with precision applicator. Your daily defense to reduce visible redness.
Before and after showing reduced facial redness after 8 weeks using Left Un-Red Reducer Serum + CalmBack Cream
Left Un-Red Reducer Serum highlighting azelaic acid complex, capryloyl glycine, and 18-S-glycyrrhetinic acid
Dr. Shereene Idriss holding Left Un-Red Reducer Serum for redness-prone skin and explaining why we made it.
Comparison of Left Un-Red Reducer Serum and Major Fade Hyper Serum for redness vs brown discoloration
Clinical results with Left Un-Red Reducer Serum + CalmBack Cream
How to apply Left Un-Red Reducer Serum using twist-to-dispense applicator
Left Un-Red Reducer Serum paired with Left Un-Red CalmBack Cream for redness care
Dermatologist-recommended routine featuring Left Un-Red Reducer Serum morning and night
Left Un-Red Reducer Serum approved by the National Rosacea Society for redness-prone, sensitive skin
How to refill Left Un-Red Reducer Serum using the twist-to-unlock refill cartridge system

Left Un-Red Reducer Serum

Your daily defense to reduce visible redness and future breakouts.

Price:
$68.00
main product shot of Deluxe Sample Left Un-Red CalmBack Cream

Enjoy a free deluxe CalmBack Cream on orders $75+

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A multi-active formula powered by a 10% Azelaic Acid complex to reduce visible redness with Glycyrrhetinic Acid and Capryloyl Glycine to soothe and balance skin to help prevent future flare-ups.

Accepted by the National Rosacea Society. Clinically proven, dermatologist-tested, fragrance-free, and non-irritating. Suitable for all skin types and tones.
  • Redness always hits at the worst moments in your day.
  • The root cause: a stressed, overwhelmed barrier.
  • Left Un-Red Reducer Serum eases irritation and keeps future flare-ups in check.
  1. Apply AM and PM on clean, dry skin.
  2. Twist bottom of the pen to the left to dispense.
  3. Dispense 2 - 4 pumps per application.
  4. Massage serum all over face.
  5. For best results, follow at night with Left Un-Red CalmBack Cream.

To Refill

  1. Twist the bottom of the pen to the left to unlock the old cartridge.
  2. Remove the cap from a new cartridge.
  3. Pull out the old cartridge and replace with the new one.

Shipping
Free Shipping on US Orders $95+
Free Shipping on CA Orders $185+
Free Shipping on UK Orders £110+
Free Shipping on EU Orders €125+

Returns
We offer free returns within 30 days of delivery. To start a return or exchange, email hello@dridriss.com with your order number and return reason.

Read our full shipping and return policy here.

Results you can see

Clinically proven to improve the appearance of skin redness*

*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 eight weeks

woman with redness on her cheek, before using Left Un-Red
Before
woman with improved visible redness after using Left Un-Red for 8 weeks
After 8 weeks

Backed by science

97%

reported skin felt hydrated and soothed

100%

reported skin felt less reactive or prone to irritation

97%

reported soothing of chronically sensitive, inflamed skin

Ingredients

What's inside

10% Azelaic Acid Complex

A combination of 5% of Azelaic Acid and 5% Potassium Azeloyl Diglycinate that calms the look of inflammation

18-ß-Glycyrrhetinic Acid

Decreases irritation associated with redness

Capryloyl Glycine

Helps balance oiliness

Ingredients list

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)

How to use your Reducer Serum

Application

Twist bottom of the pen to the left to dispense. Dispense 2-4 pumps per application. Massage serum all over face.

Frequency of use

Apply AM and PM on clean, dry skin.

Part of your routine

For best results, follow with Left Un-Red CalmBack Cream.

Sunscreen

Use a sunscreen daily while using this product and for a week after ceasing use. We recommend our Major Fade Disco Block SPF 50.

FAQs

Extensive testing has been conducted and we're excited to share that our Left Un-Red line has earned the National Rosacea Society seal of approval.

Yes, but avoid direct contact with the eyes. If contact occurs, rinse thoroughly with water. Discontinue use immediately if irritation occurs and consult a doctor.

Yes, you can use them separately or together as part of your routine.

Yes, Left Un-Red Reducer Serum and CalmBack Cream are both vegan and cruelty-free.

An active ingredient in the serum (HYDROXYPHENYL PROPAMIDOBENZOIC ACID) is not suitable for pregnant/breast-feeding individuals.

Read all FAQs