Amino Master
Amino Master Hair Mask R (Peony & Rose), 150g
Amino Master Hair Mask R (Peony & Rose), 150g
Rated 5.2 out of 7.0 by Japan’s largest beauty community
The strongest formula containing acid heat treatment ingredients and hair repair ingredients
✓ 100% AUTHENTIC, SHIPS FROM JAPAN
✓ DUTIES & TAXES INCLUDED FOR US ORDERS
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What it is
The "Triple Heat Repair Formula" repairs hair with the heat of a hair dryer, providing a deep, intimate repair. This latest update also includes "levulinic acid (an acid-heat treatment ingredient)" and "hydrolyzed keratin (wool) (a hair repair ingredient)." This formula reduces damage and frizz, leaving hair bouncy, shiny, and hydrated. It also contains 19 amino acids, acid-heat treatment ingredients, and hair repair ingredients. It retains and regulates the moisture needed by hair, repairing damage. It contains 19 amino acids*1. It contains "levulinic acid," an acid-heat treatment ingredient, to moisturize and restore shine to frizzy, wavy, and dry hair. It also contains "activated keratin*2," a hair repair ingredient. It contains heat-protecting ingredients*3 that repair damaged hair and add bounce and body. It protects hair from the high heat of hair dryers and irons. *1 Hair repair ingredients (cysteine, sodium aspartate, arginine, serine, valine, isoleucine, threonine, proline, histidine HCl, methionine, glycine, alanine, phenylalanine, cystine, tryptophan, tyrosine, glutamic acid, leucine, lysine HCl) *2 Hydrolyzed keratin (wool) *3 (Dihydroxymethylsilylpropoxy) hydroxypropyl hydrolyzed keratin (wool), (Dihydroxymethylsilylpropoxy) hydroxypropyl hydrolyzed silk, hydrolyzed collagen PG propyl methylsilanediol
Ingredients
Water, Cetyl Alcohol, Glycerin, Amodimethicone, Stearyl Alcohol, Cyclopentasiloxane, Dodecane, Behentrimonium Chloride, Levulinic Acid, Hydrolyzed Keratin (Wool), Macadamia Integrifolia Seed Oil, Ceramide NG, Sodium Hyaluronate, Honey, Honey Extract, Royal Jelly Extract, Propolis Extract, Caprylic/Capric Triglyceride, Laneth-40 Sodium Maleate/Styrene Sulfonic Acid Copolymer, Coco-Glucoside, Camellia Japonica Seed Oil, Kukui Nut Oil, Olea Europaea (Olive) Fruit Oil, Argania Spinosa Kernel Oil, Scutellaria Baicalensis Root Extract, Sanguisorba Officinalis (Burmeseed) Extract, Meadowfoam Estolide, Dihydroxymethylsilylpropoxy Hydroxypropyl Hydrolyzed Keratin (Wool), Dihydroxymethylsilylpropoxy Hydroxypropyl Hydrolyzed Silk, Hydrolyzed Collagen, PG-Propylmethylsilanediol, Tocopherol, Cysteine, Sodium Aspartate , Arginine, Serine, Valine, Isoleucine, Threonine, Proline, Histidine HCl, Methionine, Glycine, Alanine, Phenylalanine, Cystine, Tryptophan, Tyrosine, Glutamic Acid, Leucine, Lysine HCl, Taurine, Sodium Citrate, Platinum, γ-Docosalactone, Allantoin, Disodium Inosinate, Disodium Guanylate, Di(Phytosteryl/Octyldodecyl) Lauroyl Glutamate, Quaternium-18, Quaternium Umu-33, dicocodimonium chloride, dihydroxypropyl arginine HCl, isopropanol, steartrimonium bromide, PG, BG, ascorbyl dipalmitate, steartrimonium chloride, sucrose polyoleate, cholesterol, ceteth-20, lactic acid, potassium sorbate, ethanol, caramel, dimethicone, dimethiconol, oleyl alcohol, phenoxyethanol, methylparaben, propylparaben, fragrance
How to use
After shampooing, remove excess water and apply an appropriate amount to your hair, focusing on the ends. Leave on for 3-5 minutes before rinsing with lukewarm water. We recommend using this product 2-3 times a week depending on your hair condition.
We ship internationally from Japan!
Frequently Asked Questions
Is this authentic?
Yes. We only buy from official retailers and directly from the brands here in Japan. Never resellers, never grey market stock.
We are beauty lovers too, so we know the worry, especially with something you are putting on your face. Authenticity is 100% guaranteed by us.
What are your shipping rates?
On orders under US$75, shipping is a flat US$20 to the United States and US$10 to all other countries.
Orders of US$75 or more ship free, applied automatically at checkout. Your exact shipping cost is shown before you pay.
How long does delivery take?
These estimates are for International Airmail (Tracked) and include 3 to 5 business days of processing in Japan.
- United States: 12 to 15 business days
- Canada, United Kingdom, France, Germany: 9 to 12 business days
- Australia, New Zealand, Denmark, Finland, India, Indonesia, Italy, Netherlands, Spain, Sweden, Switzerland: 10 to 13 business days
- China, Hong Kong, Malaysia, Singapore, South Korea, Taiwan, Thailand, Vietnam: 8 to 10 business days
- Rest of the world: 11 to 18 business days
Actual delivery can be affected by customs clearance, seasonal congestion, or carrier delays in the destination country, all of which are outside our control.
Do you offer express shipping?
Yes. As of 22 July 2026, we offer International Express Mail through Japan Post. The cost is based on order weight and is calculated automatically at checkout.
Will I pay customs or import fees?
US orders: No. As of July 1, 2026, all US orders ship DDP (duties delivered prepaid), meaning we prepay all import duties on our end. Nothing is due at your door.
Orders outside the US: Possibly. Duties and import taxes are set by your local customs authority and are not collected at checkout, so any charges on delivery are your responsibility.
We're working on rolling out prepaid duties for more countries soon.