8 the Thalasso
8 The Thalasso Repair Shot & EX Moist Hair Oil, 100ml (Aqua White Floral Scent)
8 The Thalasso Repair Shot & EX Moist Hair Oil, 100ml (Aqua White Floral Scent)
@cosme rating: 5.2/7.0
A Japanese marine serum hair oil for dry, frizzy, and damaged hair — the 8 THE THALASSO Repair Shot & EX Moist Hair Oil absorbs fast, tames flyaways, and leaves hair visibly smoother and shinier without any greasy residue, on wet or dry hair.
✓ 100% authentic
✓ Ships from Japan in 3-5 days
✓ Duties prepaid for US orders
✓ Tracked delivery via Japan Post
Couldn't load pickup availability
What it is
Hair oils that feel heavy or sit on top of the hair are easy to find. This one behaves differently. The 8 THE THALASSO Repair Shot & EX Moist Hair Oil has a silky, fast-absorbing texture that distributes evenly from mid-length to ends, balancing moisture and oil levels so the hair feels neither parched nor coated. It works just as well on damp hair before blow-drying — where it adds slip and reduces heat-related roughness — as it does pressed onto dry hair to calm frizz and add that quiet, healthy-looking shine. The aqua white floral scent is light and fades quickly, which makes it easy to wear on days when you'd rather not layer fragrances. For anyone who uses the 8 THE THALASSO shampoo already, this is the logical finish to the routine.
Ingredients
(1) Thalasso Stem Cell Complex (Marine Plant, Apple Stem Cell): supports hair repair and resilience at the strand level
(2) Laminaria Ochroleuca Extract (Brown Seaweed): marine hydration that helps restore moisture balance
(3) Squalane: lightweight, non-greasy emollient that seals moisture into the hair without heaviness
(4) Orange Roughy Oil (Deep-Sea Omega-3 Oil): rare deep-sea oil rich in omega-3 fatty acids for softness and shine
(5) Meadowfoam Delta-Lactone: helps lock in moisture and contributes to the smooth, frizz-resistant finish
(6) Tocopherol (Vitamin E): antioxidant that supports the hair's surface condition and protects against environmental stress
Cyclopentasiloxane, Dimethicone, Dimethiconol, Fragrance, Dicaprylyl Carbonate, Ethylhexylglycerin, Phytosteryl/Octyldodecyl Lauroyl Glutamate, Diethyl Sebacate, Plukenetia Volubilis Seed Oil, Squalane, Orange Roughie Oil, Meadowfoam-δ-Lactone, Caprylic/Capric Triglyceride, Water, Isopropyl Myristate, Laminaria Ochroleuca Extract, Apple Fruit Cell Culture Extract, Lavender Oil , camphor tree leaf oil, lily of the valley fruit oil, lavandula hybrida oil, pelargonium graveolens oil, tocopherol, palmarosa oil, eucalyptus leaf oil, phenoxyethanol, fennel fruit oil, rosemary leaf oil, xanthan gum, Italian cypress leaf oil, peppermint leaf oil, spearmint oil, ginger root oil, juniper fruit oil, Siberian fir oil, glycerin, Roman chamomile flower oil, lemongrass oil, tea tree leaf oil, peppermint oil, bitter orange leaf/twig oil, lecithin
How to use
Pump one to two pumps of the 8 THE THALASSO Repair Shot & EX Moist Hair Oil onto your palms and rub your hands together to warm and distribute the oil evenly. On damp hair, work through the mid-lengths and ends before blow-drying to protect against heat and reduce frizz during styling. On dry hair, press lightly through the surface of the hair to smooth flyaways and add shine — avoid applying too close to the roots to keep volume. For areas of specific concern like dry ends or humidity-prone sections, concentrate application there first, then spread any remaining oil through the rest of the hair.
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.
There's nothing particularly bad about it, and it doesn't smell that great either.
I've been buying this product so many times I can't even remember how many times I've repurchased it. It's incredibly cheap, but it really does make my hair smooth and prevents dryness and frizz, so it's great! It's an oil, but it's not sticky and blends in easily.
This serum oil is not oily in the best sense, and doesn't feel heavy or sticky. It's light and comfortable to wear, so even if you apply a generous amount, it doesn't feel strangely greasy! It's a two-way product that can be used on both wet and dry hair, and when used as an after-bath treatment, it helps balance the oil content, reducing frizz and giving hair a more manageable feel. It leaves hair soft and bouncy, and even hair that tends to get dry from the heat of a hair dryer doesn't feel dry at all! To be honest, I've never really liked hair oils because they're sticky, but this one makes my hair easier to manage, makes it super smooth to run your fingers through, and even adds shine, so it's excellent!
This was my first time buying this product and it was amazing! My hair was dry after bleaching, but after using this oil it became smooth and silky!
Just by switching to Eight the Thalasso hair oil, my hair feels so much smoother to run my fingers through, and it's beautiful and manageable even after drying!! I've never used hair oils much because I don't like how heavy and sticky they are, but I saw this one recommended a lot, so I gave it a try and it was so good I've been using it a lot ever since♪♪ The soft, universally popular aqua floral scent smells amazing, and it's so long-lasting that you can still smell it the next morning!! It's easy to use on both wet and dry hair, so I recommend applying it after styling your hair to help with frizz and dryness, and I also use it as a hair mist♪♪