8 the Thalasso
8 The Thalasso Cleansing Repair & Smooth Serum Shampoo
8 The Thalasso Cleansing Repair & Smooth Serum Shampoo
Rated 4.9 out of 7.0 by Japan's largest beauty community.
Moisture-retaining beauty serum shampoo. Smooth hair all the way to the ends.
✓ 100% authentic. Direct from brand or official stores only
✓ Ships from Japan in 3-5 days
✓ Duties prepaid for US orders
✓ Track your order via your national carrier (USPS / Royal Mail)
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What it is
A serum shampoo with a "Thalasso stem cell formula" that contains three types of stem cell extracts and seaweed extract. It delivers moisture to damaged, sparse hair, binding and retaining it, making hair smooth and manageable all the way to the ends. The fine, creamy lather of the shampoo moisturizes while improving the scalp environment and thoroughly removing dirt from the scalp and hair. It delivers nutrients to the inside of the hair, smoothing the surface of the hair and leading to smooth, silky hair all the way to the ends. Fruity floral scent.
Ingredients
Water, lauramidopropyl betaine, sodium lauroyl methylalanine, cocamidopropyl betaine, TEA-cocoyl glutamate, sodium olefin (C14-16) sulfonate, cocamide DEA, sodium methyl cocoyl taurate, sodium lauroyl hydrolyzed silk, propanediol, BG, squalane, apple fruit cell culture extract, cherry blossom leaf extract, peppermint leaf extract, Porphyra yedoensis extract, algae extract, crested oak extract, water-soluble collagen, seawater, hydrolyzed wool cuticle protein, ceramide NP, ceramide NG, ceramide AP, crystals Mumm maritimum callus culture filtrate, chitosan succinamide, Eryngium maritimum callus culture filtrate, sodium alginate, polyquaternium-7, phytic acid, polyquaternium-10, guar hydroxypropyltrimonium chloride, lecithin, cocamide methyl MEA, glycerin, cholesterol, quaternium-33, xanthan gum, sodium carbonate, polyquaternium-50, decyl glucoside, polyquaternium-47, pentasodium pentetate, silver oxide, disodium EDTA, sodium citrate, citric acid, sodium chloride, sodium benzoate, phenoxyethanol, fragrance
How to use
After thoroughly wetting your hair, spread an appropriate amount over your entire hair, lather well, and wash. Then, rinse thoroughly. *While holding the neck of the pump, turn the head to the left to lift the head. Pump empty several times until the contents come out. If the head does not lift, tighten the neck firmly, hold it in place with your hand, and turn the head again.
We ship internationally from Japan!
Frequently Asked Questions
Are the products you sell authentic?
Authenticity is 100% guaranteed. We source directly from the brand, or from official stores within Japan.
All products are fresh off the shelves and never outdated.
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.
It's moisturizing and smells good!
[Testing 200 Shampoos] No. 120 Thank you so much for always reading! Following me encourages me to post more ★ 20s Hair type: Thick/Strong and bouncy, semi-long/Bleached hair (2-3 times) It has a fruity floral scent that is gorgeous and soothing, and I think many people will like it. It lathers well, isn't harsh, and has good cleansing power, so I was very impressed. It leaves my hair smooth and shiny, and I think I understand why it's so popular. It's a shampoo that's not too strong in a good way, and everyone will love it!
I found a cheap trial size at a recycle shop, so I bought one. My scalp odor and greasiness disappeared after using it. My hair is now smooth. I'd been using olefin-based shampoos, which had me concerned about the oiliness and odor of my scalp, but this is an amino acid-based shampoo, so it's improved the situation. I have thin hair that gets tangled no matter what shampoo I use, and it still gets tangled with this shampoo. I guess it's just my hair type.
The scent was a lovely floral scent that wasn't too sweet, but my hair was so dry that it still felt dry.
I tried using it for the first time in a while ^ ^ It made my hair smooth and silky without any dryness!