ReFa
MTG ReFa Milk Protein Royal Hair Treatment Refill 430g
A hair treatment formulated with natural milk-derived protein to replenish lost protein, deeply hydrate, and repair damaged hair, leaving it smooth and manageable.
Protein-free
Color-safe
Damage Repair
Dryness
Frizz
Split Ends
Optimized for Your Environment & Lifestyle
Nykaa
In stock
Recommended
MTG ReFa Milk Protein Royal Hair Treatment Refill 430g
ReFa
mtg-refa-milk-protein-royal-hair-treatment-refill-430g
Hair Treatment
10523341586725
Morning or Evening?
How often will you use this product?
Notes
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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:
Healthy to moderately damaged hair experiences over-conditioning or protein overload causing limpness or rigidity
Water Quality:
Dry or dull hair experiences increased brittleness from protein concentration without moisture balance
Hair:
Closed to moderately open cuticles limit product penetration causing surface buildup or inadequate absorption
Active Lifestyle:
Low activity produces insufficient stress or buildup making product intensity unnecessarily harsh
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?
Hair treatment with natural milk-derived protein
Who Is It For
Adults
Budget
$43.50 - $87.00
Timeline
Gradual improvement with regular use
Why Youโll Love It
What Does It Help With?
Damage Repair, Dryness, Frizz, Split Ends
Best for
Damage Repair
Features
Replenishes lost protein, deeply hydrates, repairs damaged hair, leaves hair smooth and manageable
Checks
Ingredients Overview
Ingredients List
hydrolyzed-milk-protein, tryptophan, laurdimonium-hydroxypropyl-hydrolyzed-keratin, cetearamidoethyl-diethonium-hydrolyzed-rice-protein, butyrospermum-parkii-shea-butter, mother-of-pearl-extract, hydrolyzed-silk-pg-propyl-methysilanediol, hydroxypropyltrimonium-hydrolyzed-soy-protein
Key Ingredients
hydrolyzed-milk-protein, tryptophan, laurdimonium-hydroxypropyl-hydrolyzed-keratin, cetearamidoethyl-diethonium-hydrolyzed-rice-protein, butyrospermum-parkii-shea-butter, mother-of-pearl-extract, hydrolyzed-silk-pg-propyl-methysilanediol, hydroxypropyltrimonium-hydrolyzed-soy-protein
Ingredients Details
Tryptophan
Common Name(s): 2-amino-3-(1h-indol-3-yl)propanoic acid,l-trp
CAS Number: 73-22-3
DESCRIPTION
What It Does: Provides nmf conditioning with uv absorption and serotonin precursor activity.
Why It's Used: Uv-absorbing nmf amino acid โ tryptophan's indole uv absorption at 280nm provides partial uv photoprotection alongside nmf conditioning and serotonin pathway support.
How It Works: Indole ring absorbs uv at 208nm (ฯโฯ*) and 280nm (nโฯ*) providing partial uv protection. nmf component via indole + carboxylate water binding. 5-ht (serotonin) precursor via tryptophan hydroxylase. melatonin precursor via n-acetyltransferase pathway for skin photoprotection.
Typically Found In: Skin conditioning,uv-protective products,stress-responsive skincare
TECHNICAL DETAILS
Primary Category: Active ingredient โ aromatic amino acid
Secondary Functions: Skin conditioning
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 0.5%โ5%
SOURCING & ETHICS
Vegan Status: Yes โ fermentation
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
Tryptophan's melatonin precursor pathway provides a skin anti-aging mechanism independent of sleep: skin keratinocytes and melanocytes independently synthesise melatonin from tryptophan as a local uv photoprotectant and antioxidant. topical tryptophan supplementation may support this local cutaneous melatonin synthesis pathway โ a local antioxidant production mechanism distinct from systemic melatonin.
Last Verified: Cosing database,slominski et al. skin melatonin synthesis review
Primary Sources: 2026-03-12
Tryptophan
Common Name(s): 2-amino-3-(1h-indol-3-yl)propanoic acid,l-trp
CAS Number: 73-22-3
DESCRIPTION
What It Does: Provides nmf conditioning with uv absorption and serotonin precursor activity.
Why It's Used: Uv-absorbing nmf amino acid โ tryptophan's indole uv absorption at 280nm provides partial uv photoprotection alongside nmf conditioning and serotonin pathway support.
How It Works: Indole ring absorbs uv at 208nm (ฯโฯ*) and 280nm (nโฯ*) providing partial uv protection. nmf component via indole + carboxylate water binding. 5-ht (serotonin) precursor via tryptophan hydroxylase. melatonin precursor via n-acetyltransferase pathway for skin photoprotection.
Typically Found In: Skin conditioning,uv-protective products,stress-responsive skincare
TECHNICAL DETAILS
Primary Category: Active ingredient โ aromatic amino acid
Secondary Functions: Skin conditioning
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 0.5%โ5%
SOURCING & ETHICS
Vegan Status: Yes โ fermentation
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
Tryptophan's melatonin precursor pathway provides a skin anti-aging mechanism independent of sleep: skin keratinocytes and melanocytes independently synthesise melatonin from tryptophan as a local uv photoprotectant and antioxidant. topical tryptophan supplementation may support this local cutaneous melatonin synthesis pathway โ a local antioxidant production mechanism distinct from systemic melatonin.
Last Verified: Cosing database,slominski et al. skin melatonin synthesis review
Primary Sources: 2026-03-12
Personalized Usage Instructions
How to Use
Step 1
After shampooing, apply an appropriate amount to wet hair, focusing on damaged areas
Step 2
Leave on for a few minutes, then rinse thoroughly
Medical Chemicals
Protein/Moisture
- Protein/Moisture balance
pH Level
- Acidic
Porosity Taget
- High Porosity
Customized for Your Profile
Scalp Condtions
Sensitive Scalp, pH Balanced
Climate Suitability
Humid, Dry, Winter, Summer
Clinical Claims
Frequency
After shampooing, apply an appropriate amount to wet hair, focusing on damaged areas. Leave on for a few minutes, then rinse thoroughly.
