
Highlights
WHAT IS IT?
Serum, 31 ingredients
FEATURES
15% Bifidus Ferment, reduces redness by 48%, soothes skin, reinforces moisture barrier, liquid-light texture, fast-absorbing, ideal for sensitive skin, reduces visible irritation from cosmetic procedures and environmental stressors, suitable for men
BEST FOR
sensitive
CHECKS
Red 4 (Ci 14700), Yellow 5 (Ci 19140)
Who Is It For?
All Ages All GendersWhat Does It Help With?
Redness Sensitized Skin Irritated Skin Red Post-acne Marks Visible Irritation Skin Stressors RecoveryBudget
Premium ($76-$150)How To Use
Which routine should it be used in?
Instructions:
Key Information
What Estee Lauder Says
Product Description:
This sensitive skin formula, powered by 15% Bifidus Ferment, works as your powerful daily rescue for irritated, redness-prone or visibly sensitized skin: Fights the look of redness by 48%. Immediately: 90% said skin felt calm and soothed. In 1 application: Helps reinforce skin’s barrier. In 1 week: 88% said skin felt less sensitized. In 3 weeks: 94% said skin felt less stressed. 96% said it helped skin feel recovered from daily environmental stressors. 91% said visible signs of skin sensitivity were reduced. The rapidly absorbing, fluid serum texture is ideal for fragile, vulnerable skin. The formula reduces the look of ongoing redness and red post-acne marks-as well as visible irritation caused by a cosmetic procedures such as a 50% glycolic acid peel, and external triggers including everyday face shaving for men. Leaves skin feeling calm, hydrated and supple. Looking brighter and more radiant. Helps visibly reduce face redness. Enhanced with Soothing Yeast Extract, the formula helps calm and rescue the overall look of irritated, sensitized skin over time. Helps prevent future redness from developing by strengthening the moisture barrier, rebalances skin to help inhibit its visible reaction to external factors. Helps recovery after a peel, tested on consumers after glycolic acid peel showing significant redness reduction. Key ingredients: 15% Bifidus Ferment, Soothing Yeast Extract, Exclusive Peptide. Liquid-light, refreshing texture, fast-absorbing, suitable for sensitive skin, all ages, all skin tones, all skin types, ideal for men too.
About the Brand:
Ingredients Overview
Ingredients List
Water\\Aqua\\Eau,Bifida-Ferment-Lysate,Peg-8,Butylene-Glycol,Glycerin,Polysorbate-80,Bis-Peg-18-Methyl-Ether-Dimethyl-Silane,Tripeptide-32,Hydrolyzed-Yeast-Protein,Lactobacillus-Ferment,Sodium-Hyaluronate,Caffeine,Hypnea-Musciformis-Extract,Citrullus-Lanatus-(Watermelon)-Fruit-Extract,Lens-Esculenta-(Lentil)-Fruit-Extract,Pyrus-Malus-(Apple)-Fruit-Extract,Magnolia-Grandiflora-Bark-Extract,Polygonum-Cuspidatum-Root-Extract,Poria-Cocos-Sclerotium-Extract,Silybum-Marianum-(Lady's-Thistle)-Extract,Sapindus-Mukorossi-Fruit-Extract,Anthemis-Nobilis-(Chamomile)-Flower-Extract,Sodium-Lactate,Ethylhexylglycerin,Potassium-Gluconate,Sodium-Pca,Caesalpinia-Spinosa-Gum,Sucrose,Caprylyl-Glycol,Hexylene-Glycol,Carbomer,Xanthan-Gum,Ppg-6-Decyltetradeceth-30,Ppg-5-Ceteth-20,Bht,Disodium-Edta,Sodium-Hydroxide,Potassium-Sorbate,Phenoxyethanol,Sodium-Benzoate,Red-4-(Ci-14700),Yellow-5-(Ci-19140)
Key Ingredients
Bifida Ferment Lysate, Soothing Yeast Extract, Exclusive Peptide
Ingredients Details
Bht
Common Name(s): Bht
DESCRIPTION
What It Does: Delivers targeted skin-conditioning or bioactive benefits through a specific mechanism of action suited to the formulation's intended purpose.
Why It's Used: Specialty actives address specific skin concerns through targeted molecular mechanisms, providing efficacy beyond what base formulation ingredients alone can achieve.
How It Works: The bioactive compound interacts with specific molecular targets in skin cells or the extracellular matrix — enzymes, receptors, structural proteins, or signaling molecules — triggering beneficial biological responses.
Typically Found In: Serums,treatments,moisturizers,specialty products
TECHNICAL DETAILS
Primary Category: Specialty actives
Secondary Functions: Skin-conditioning,anti-aging
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 0.01–5%
SOURCING & ETHICS
Vegan Status: Yes
Halal Status: Yes
Source Notes: Specialty active ingredient; check individual sourcing for vegan status.
SKIN COMPATIBILITY
Irritancy Rating: 1
Comedogenicity Rating: 0
Sensitivity Concerns: Low sensitization potential at recommended use concentrations.
Safe for Sensitive Skin: Yes
SAFETY & COMPATIBILITY
Safety Profile: Well-characterized cosmetic ingredient with established safety profile. generally non-irritating at typical use concentrations. suitable for leave-on and rinse-off cosmetics.
Works Well With: Niacinamide,hyaluronic acid,vitamin c,peptides
Avoid Combining With: Incompatible with oxidizing agents; check ph stability
SCIENTIFIC NOTE
Specialty actives typically work through enzyme inhibition (e.g., tyrosinase inhibition for brightening, mmp inhibition for anti-aging), receptor activation (e.g., retinoid receptors, ppar-γ for barrier genes), or transcription factor modulation (e.g., nrf2 for antioxidant gene upregulation). structure-activity relationships determine potency and selectivity.
Last Verified: Cosing eu database; pcpc cosmetic ingredient safety reviews; ingredient-specific safety and efficacy literature
Primary Sources: 2025-01-15
Caffeine
Common Name(s): Caffeine,methylxanthine anti-cellulite,antioxidant vasoactive
CAS Number: N/a
DESCRIPTION
What It Does: Stimulates lipolysis in adipocytes by inhibiting phosphodiesterase (preventing camp breakdown), reduces eye puffiness through vasoconstriction of periorbital capillaries, and provides antioxidant dna repair stimulation for photoprotective benefit.
Why It's Used: The only cosmetic active with a well-defined mechanism for anti-cellulite claims — phosphodiesterase inhibition elevating adipocyte camp is the documented biochemical pathway, providing mechanism-based efficacy substantiation superior to most slimming actives.
How It Works: Caffeine inhibits phosphodiesterase (pde3, pde4) preventing camp hydrolysis → elevated camp activates protein kinase a → phosphorylates hormone-sensitive lipase → lipolysis of triglycerides in adipocytes. for eye puffiness: caffeine's adenosine receptor antagonism reduces prostaglandin-mediated capillary dilation in periorbital tissue, reducing fluid accumulation.
Typically Found In: Anti-cellulite,eye creams,antioxidant products
TECHNICAL DETAILS
Primary Category: Active ingredient – antioxidant
Secondary Functions: Free radical scavenging,anti-aging
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 0.1%–3%
SOURCING & ETHICS
Vegan Status: Yes
Halal Status: Yes
Source Notes: Plant-derived extract or synthetic.
SKIN COMPATIBILITY
Irritancy Rating: 1/5 – very low
Comedogenicity Rating: 0/5 – non-comedogenic
Sensitivity Concerns: Non-irritating; well-tolerated.
Safe for Sensitive Skin: Yes
SAFETY & COMPATIBILITY
Safety Profile: Excellent safety profile. ewg score: 1.
Works Well With: Vitamin c,vitamin e,ferulic acid,spf,other antioxidants
Avoid Combining With: No significant incompatibilities
SCIENTIFIC NOTE
Caffeine has one of the highest sc penetration rates of any cosmetic active (logp -0.07, mw 194 da) — the combination of small size and moderate logp providing excellent aqueous solubility with sufficient sc lipid partitioning for effective transdermal delivery to adipose tissue.
Last Verified: Cosing database,caffeine pde inhibitor anti-cellulite lipolysis review
Primary Sources: 2026-03-12
Carbomer
Common Name(s): Carbopol,polyacrylic acid,carboxyvinyl polymer
DESCRIPTION
What It Does: Provides transparent gel textures and thickening at very low concentrations via ph-responsive swelling.
Why It's Used: The most widely used gel thickener – provides crystal-clear, stable gels at concentrations as low as 0.1-0.5% with ph-controlled viscosity.
How It Works: Highly crosslinked polyacrylic acid remains tightly coiled at acidic ph. neutralization with naoh or triethanolamine ionizes carboxylic groups causing electrostatic repulsion that unfolds and swells the polymer coils, dramatically increasing viscosity. concentration-dependent thickening.
Typically Found In: Gels,serums,emulsions,sunscreens
TECHNICAL DETAILS
Primary Category: Functional ingredient – polyacrylic acid thickener
Secondary Functions: Skin conditioning
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 0.1%–2%
SOURCING & ETHICS
Vegan Status: Yes – synthetic
Halal Status: Yes
Source Notes: Commercially produced for cosmetic use. verify vegan/halal status with supplier.
SKIN COMPATIBILITY
Irritancy Rating: 1/5 – very low
Comedogenicity Rating: 0/5 – non-comedogenic
Sensitivity Concerns: Well-tolerated by most skin types.
Safe for Sensitive Skin: Yes
SAFETY & COMPATIBILITY
Safety Profile: Good safety profile at recommended concentrations. ewg score: 1–2.
Works Well With: Standard skincare actives
Avoid Combining With: No known significant incompatibilities
SCIENTIFIC NOTE
Carbomer's ph-responsive swelling mechanism provides an elegant formulation control tool: a neutralized gel can be liquefied by ph reduction (adding acid) and re-thickened by reneutralization. this reversible rheology control allows two-phase products that mix on application without the need for mechanical emulsification.
Last Verified: Cosing database,cir safety assessment
Primary Sources: 2026-03-12
Ethylhexylglycerin
Common Name(s): Octylglycerin,2-ethylhexyl glycerol ether,sensiva sc 10
CAS Number: 70445-33-9
DESCRIPTION
What It Does: Provides antimicrobial skin conditioning with deodorant activity and preservation system enhancement.
Why It's Used: Multifunctional clean beauty preservation active — ethylhexylglycerin provides antimicrobial, deodorant, and skin conditioning in a single ingredient accepted in most natural cosmetic certification schemes.
How It Works: Glycerol ether provides antimicrobial via bacterial membrane phospholipid disruption. deodorant activity via reduction of underarm lipase enzyme activity (similar mechanism to triethyl citrate). skin conditioning from glycerol humectant component. synergistic with phenoxyethanol and diols.
Typically Found In: Natural preservation systems,deodorants,skin conditioning products
TECHNICAL DETAILS
Primary Category: Functional ingredient – antimicrobial glycerol ether
Secondary Functions: Skin conditioning
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 0.1%–0.5%
SOURCING & ETHICS
Vegan Status: Yes – synthetic
Halal Status: Yes
Source Notes: Commercially produced for cosmetic use. verify vegan/halal status with supplier.
SKIN COMPATIBILITY
Irritancy Rating: 1/5 – very low
Comedogenicity Rating: 0/5 – non-comedogenic
Sensitivity Concerns: Well-tolerated by most skin types.
Safe for Sensitive Skin: Yes
SAFETY & COMPATIBILITY
Safety Profile: Good safety profile at recommended concentrations. ewg score: 1–2.
Works Well With: Standard skincare actives
Avoid Combining With: No known significant incompatibilities
SCIENTIFIC NOTE
Ethylhexylglycerin's deodorant mechanism is pharmacologically identical to triethyl citrate: both inhibit skin surface microbial lipase enzymes that convert odourless triglycerides to odorous free fatty acids. the glycerol ether structure of ethylhexylglycerin, combined with the 2-ethylhexyl chain, provides lipase inhibition similar to ester-based lipase inhibitors from a different chemical class.
Last Verified: Cosing database,schülke sensiva sc 10 technical data,cir safety assessment
Primary Sources: 2026-03-12