SGNI
SGNI Penetrating Glossy Hair Treatment Refill, 340ml
SGNI Penetrating Glossy Hair Treatment Refill, 340ml
Rated 5.2 out of 7.0 by Japan’s largest beauty community
Penetration technology for smooth, shiny hair
✓ 100% AUTHENTIC, SHIPS FROM JAPAN
✓ DUTIES & TAXES INCLUDED FOR US ORDERS
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What it is
Formulated with penetration-promoting ingredients that work well with keratin, this product, when used in combination with keratin, enhances keratin penetration and improves hair damage. It contains seven nano-sized PPT ingredients that penetrate deep into the hair, repairing it. It also contains carefully selected amino acid and peptide cleansing ingredients. *This product is a refill, so the bottle is not included.
Ingredients
Water, dimethicone, stearyl alcohol, DPG, cetyl ethylhexanoate, steartrimonium chloride, bisethoxydiglycol cyclohexane-1,4-dicarboxylate, (dihydroxymethylsilylpropoxy) hydroxypropyl hydrolyzed keratin (wool), hydroxypropyltrimonium hydrolyzed keratin (wool), hydrolyzed keratin (wool), steardimonium hydroxypropyl hydrolyzed keratin (wool), hydrolyzed keratin (cashmere goat), hydrolyzed silk, hydrolyzed collagen, gamma-docosalactone, meadowfoam delta-lactone , Cyclopentasiloxane, Amodimethicone, Polyquaternium-10, Quaternium-18, Quaternium-33, Sodium Dilauramidoglutamide Lysine, Hematin, Hydroxyethylcellulose, Diethyl Sebacate, Ethanol, Citric Acid, Dicocodimonium Chloride, Methylparaben, Arginine, Etidronic Acid, Polysorbate 60, Disodium Phosphate, Sodium Phosphate, Cholesterol, Tocopherol, Propylparaben, Ceramide NG, Ceramide NP, Ceramide AP, Isopropanol, Phenoxyethanol, Sodium Chloride, BG, Ceteth-20, PG, Fragrance
How to use
After shampooing, take an appropriate amount in your hand and work it into your hair thoroughly with a comb or brush, then rinse thoroughly. For damaged hair, leave it on for 5-10 minutes before rinsing thoroughly.
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.