Syoss
Syoss Hair Color 2A Smoky Beige
Syoss Hair Color 2A Smoky Beige offers a professional color formula designed for at-home use. The ammonia-free and fragrance-free cream ensures a comfortable coloring experience without a pungent odor. Its highly penetrating color effectively dyes gray hair, maintaining a beautiful, long-lasting color.
Color-safe
Color Fading
Color-treated
As Needed
Color Products
Optimized for Your Environment & Lifestyle
Nykaa
In stock
Recommended
Syoss Hair Color 2A Smoky Beige
Syoss
syoss-hair-color-2a-smoky-beige
Permanent Hair Dye
10523360198949
Morning or Evening?
How often will you use this product?
Notes
Secure payment protection
Your Biodata Compatibility Analysis
Based on your 6 hair health indices and environmental factors
Poor Match
Significant incompatibilities
Growth Cycle Health Index
Hair Match
Hair Health Index Alignment
Optimal for OSI, SSI, DI, HSI
Ingredient Efficacy
Matching Ingredient Score
Environment Compatibility
Current UV, Air Quality & Humidity
Why This Works for Your Specific Profile
Damage Index:
Water Quality:
Hair:
Active Lifestyle:
Your Hair Profile Integration
Your Hair Archetype
Density Level
Washing Frequency
Shedding Level
Oil Level
Your Hair Health Indices
Oil Secretion (OSI)
Very low oil production
Scalp Sensitivity (SSI)
Very low sensitivity
Growth Rate (CMR)
Poor metabolism rate
Damage Index (DI)
Minimal damage
Hair Strength (HSI)
Very weak strength
Softness Index (SI)
Significant improvement needed
Water & Environmental Integration
Water:
Expected Results & Timeline
Key Highlights
What is it?
Permanent hair dye with ammonia-free and fragrance-free formula
Who Is It For
Adults
Budget
$13.10 - $26.20
Timeline
Immediate
Why Youโll Love It
What Does It Help With?
Color Fading
Best for
Color-treated hair
Features
Ammonia-free, fragrance-free, professional color formula, effectively dyes gray hair, long-lasting color
Checks
Ingredients Overview
Ingredients List
aqua-water-eau, cetearyl-alcohol, ethanolamine, coconut-alcohol, sodium-laureth-6-carboxylate, sodium-myreth-sulfate, glycine, bis-diisopropanolamino-pg-propyl-dimethicone-bis-isobutyl-peg-14-copolymer, acrylamidopropyltrimonium-chloride-acrylates-copolymer, coco-glucoside, paraffinum-liquidum-mineral-oil-huile-minerale, glyceryl-oleate, ceteareth-12, ceteareth-20, parfum-fragrance, potassium-hydroxide, sodium-sulfite, toluene-2-5-diamine-sulfate, sodium-silicate, etidronic-acid, ascorbic-acid, sodium-chloride, resorcinol, butyloctanol, citric-acid, polysorbate-20, 4-chlororesorcinol, phenoxyethanol, 2-methylresorcinol, citronellol, lactic-acid, benzyl-alcohol, alpha-isomethyl-ionone, 2-7-naphthalenediol, m-aminophenol, sodium-benzoate, methylparaben, ethylparaben, 2-4-diaminophenoxyethanol-hcl
Key Ingredients
toluene-2-5-diamine-sulfate, resorcinol, 4-chlororesorcinol
Ingredients Details
2,7-naphthalenediol
Common Name(s): 2,7-naphthalenediol
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 โ enzymes, receptors, structural proteins, or signaling molecules โ 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: 0.01โ5%
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-ฮณ 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
2-methylresorcinol
Common Name(s): 2-methylresorcinol
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 โ enzymes, receptors, structural proteins, or signaling molecules โ 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: 0.01โ5%
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-ฮณ 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
4-chlororesorcinol
Common Name(s): 4-chlororesorcinol
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 โ enzymes, receptors, structural proteins, or signaling molecules โ 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: 0.01โ5%
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-ฮณ 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
Butyloctanol
Common Name(s): Butyloctanol,cosmetic active,functional ingredient
CAS Number: N/a
DESCRIPTION
What It Does: Delivers characteristic cosmetic function at recommended use concentration.
Why It's Used: Selected for functional contribution and formulation compatibility supported by cosmetic science and regulatory safety data.
How It Works: Works through the mechanism of its molecular class โ physicochemical or biological interaction with skin proteins, lipids, or receptors as documented in peer-reviewed cosmetic literature.
Typically Found In: Skin care formulations
TECHNICAL DETAILS
Primary Category: Active ingredient โ cosmetic active
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%โ10%
SOURCING & ETHICS
Vegan Status: Conditional
Halal Status: Yes
Source Notes: Commercially produced for cosmetic use. verify vegan/halal status with supplier.
SKIN COMPATIBILITY
Irritancy Rating: 1/5 โ very low
Comedogenicity Rating: 0/5 โ 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: 1โ2.
Works Well With: Standard skincare actives
Avoid Combining With: No known significant incompatibilities
SCIENTIFIC NOTE
Butyloctanol has an established safety and efficacy profile within the cosmetic regulatory framework at standard use concentrations.
Last Verified: Cosing database,butyloctanol technical literature
Primary Sources: 2026-03-12
Personalized Usage Instructions
How to Use
Step 1
Apply the mixture to dry, unwashed hair
Step 2
Leave it in for 30 minutes
Step 3
Rinse thoroughly until water runs clear
Step 4
Apply the provided conditioner, leave it for 2 minutes, then rinse out thoroughly
Medical Chemicals
Protein/Moisture
- Moisture
pH Level
- Acidic
Porosity Taget
- Normal Porosity
Customized for Your Profile
Scalp Condtions
Sensitive Scalp
Climate Suitability
All Climates
Clinical Claims
Frequency
Apply the mixture to dry, unwashed hair. Leave it in for 30 minutes. Rinse thoroughly until water runs clear. Apply the provided conditioner, leave it for 2 minutes, then rinse out thoroughly.
