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TATCHA The Dewy Serum 30g
A three-in-one serum that smooths the look of fine lines and texture with lactic acid from Hadasei-3™, visibly plumps with hyaluronic acid, and locks in moisture with squalane.
- Skin Type: Normal, Dry, Combination, and Oily.
- Skincare Concerns: Fine Lines and Wrinkles, Loss of Firmness and Elasticity, and Uneven Texture.
- Formulation: Lightweight Serum.
The Dewy Serum Highlighted Ingredients:
- Lactic Acid in Hadasei-3™: Supports natural skin surface turnover and smooths the look of fine lines and texture.
- Hyaluronic Acid: Naturally replenishes moisture for a hydrated, plump appearance.
- Squalane Derived from Sugarcane: Locks in moisture and keeps skin hydrated throughout the day.
This formula contains lactic acid from Hadasei-3™ and is balanced by squalane and hyaluronic acid—two substances native to skin from birth that diminish with age. Together, these replenishing ingredients work to make your skin look smoother, plumper, and dewier.
Clinical Results: Based on an expert-graded 4-week study, twice-daily use on 45 people:
- 100% showed improvement in radiance after 2 weeks of use.
- 98% showed improvement in texture after 2 weeks of use.
- 100% showed improvement in radiance and texture after 4 weeks of use.
This product is cruelty-free.
- Skin Type: Normal, Dry, Combination, and Oily.
- Skincare Concerns: Fine Lines and Wrinkles, Loss of Firmness and Elasticity, and Uneven Texture.
- Formulation: Lightweight Serum.
The Dewy Serum Highlighted Ingredients:
- Lactic Acid in Hadasei-3™: Supports natural skin surface turnover and smooths the look of fine lines and texture.
- Hyaluronic Acid: Naturally replenishes moisture for a hydrated, plump appearance.
- Squalane Derived from Sugarcane: Locks in moisture and keeps skin hydrated throughout the day.
This formula contains lactic acid from Hadasei-3™ and is balanced by squalane and hyaluronic acid—two substances native to skin from birth that diminish with age. Together, these replenishing ingredients work to make your skin look smoother, plumper, and dewier.
Clinical Results: Based on an expert-graded 4-week study, twice-daily use on 45 people:
- 100% showed improvement in radiance after 2 weeks of use.
- 98% showed improvement in texture after 2 weeks of use.
- 100% showed improvement in radiance and texture after 4 weeks of use.
This product is cruelty-free.
Directions
- Ideally apply Tatcha's Essence first on clean skin to amplify the results of The Dewy Serum.
- Dispense 1-2 pumps and gently massage onto skin.
Ingredients
SACCHAROMYCES/CAMELLIA SINENSIS LEAF/CLADOSIPHON OKAMURANUS/RICE FERMENT FILTRATE(1), GLYCERIN, PROPANEDIOL, AQUA/WATER/EAU, SQUALANE, GLYCERYL STEARATE, ISONONYL ISONONANOATE, BEHENYL ALCOHOL, DIMETHICONE, STEARYL ALCOHOL, SODIUM HYALURONATE, HYDROLYZED COLLAGEN, HYDROLYZED ELASTIN, BETAPHYCUS GELATINUM EXTRACT, CRAMBE ABYSSINICA SEED OIL, STEARYL GLYCYRRHETINATE, ASCORBYL TETRAISOPALMITATE, PHYTOSTERYL MACADAMIATE, TOCOPHERYL ACETATE, SODIUM DILAURAMIDOGLUTAMIDE LYSINE, SODIUM CHONDROITIN SULFATE, POLYGLYCERYL-10 EICOSANEDIOATE/TETRADECANEDIOATE, CELLULOSE GUM, HYDROXYETHYL ACRYLATE/SODIUM ACRYLOYLDIMETHYL TAURATE COPOLYMER, DISODIUM PHOSPHATE, POTASSIUM PHOSPHATE, DISODIUM EDTA, ETHYLHEXYLGLYCERIN, SORBITAN ISOSTEARATE, POLYSORBATE 60, BUTYLENE GLYCOL, TOCOPHEROL, ALCOHOL, PARFUM/FRAGRANCE, PHENOXYETHANOL
(1) HADASEI-3
This list of ingredients may be subject to change, please consult the packaging of the product purchased.
+Offer
FREE Luminous Dewy Skin Mist 12ml when you spend £80 on Tatcha.*
*One free gift per order. Valid until the 11th of August or whilst stock lasts. Your free gift will automatically add to the shopping bag page. Total at order summary must be £80 or more worth of TATCHA products, after any Promotion Code, Brands You Love discount and before delivery charges are applied. Cannot be used in conjunction with any other Promotion and this offer is not applicable to previously made or pending purchases.
+Offer
FREE Brightening Eye Cream 5ml when you spend £120 on Tatcha.*
*One free gift per order. Valid until the 11th of August or whilst stock lasts. Your free gift will automatically add to the shopping bag page. Total at order summary must be £120 or more worth of TATCHA products, after any Promotion Code, Brands You Love discount and before delivery charges are applied. Cannot be used in conjunction with any other Promotion and this offer is not applicable to previously made or pending purchases.
See more...
Rated 2 out of
5
by
Aliyyeh from
very expensive and not valuable
I love Tatcha products, but I haven't seen any changes in my skin while using this serum. In my opinion, this serum is very expensive compared to its price and its volume. I won't purchase it again.
Date published: 2025-07-29
Rated 5 out of
5
by
Claire from
Happy skin
I absolutely love everything about this, from the packaging to the consistency and the ingredients.
Ive been using this for three weeks consistently and my skins so happy! The dewy finish is perfect
Date published: 2025-07-29
Rated 5 out of
5
by
Sharon L. from
Silky smooth. My dry skin
Silky smooth. My dry skin loves it, great absorption.
Date published: 2025-07-02
Rated 5 out of
5
by
Sally T. from
visit my Instagram page stardust_over_sixty
visit my Instagram page stardust_over_sixty and see the little film I made in praise of your wonderful serum, eye cream and Dewy Cream. I love them all xxx
Date published: 2025-06-21
Rated 5 out of
5
by
Angie L. from
Amazing
This serum is the best I have ever used. It melts into the skin and your skin feels truly moisturised and so soft. Worth mentioning also is the product code which gave money off. Beautiful product, thank you.
Date published: 2025-06-18
Rated 2 out of
5
by
Alice from
Breakout!
Really wish tatcha went down the noncomedogenic route with this one. There are so many good ingredients that are unfortunately outweighed by the real bad fragrance, linoleum etc. This is such a nice product and feels so nice but steer clear if you have sensitive skin and get tiny whiteheads(closed comedones) this is the same for the dewy skin cream which I LOVE as it’s so glowy but almost guaranteed to break out. Please bring out products with better ingredients considering your price point. The Japanese inspired ingredients like camellia synthesis oil and Rice water are giving clean girl, natural girl and are excellent ingredients but unfortunately the other ingredients are the opposite and are giving blocked pores and breakouts. Recently brought the big purple cream and serum and waiting for it to run out before changing my products as tatcha is so expensive I was hoping the ingredients and results would match but unfortunately it doesn’t. Love the brand and vibe but ingredients need an overhaul please.
Date published: 2024-05-20
Rated 2 out of
5
by
Alice from
Breakout!
Really wish tatcha went down the noncomedogenic route with this one. There are so many good ingredients that are unfortunately outweighed by the real bad fragrance, linoleum etc. This is such a nice product and feels so nice but steer clear if you have sensitive skin and get tiny whiteheads(closed comedones) this is the same for the dewy skin cream which I LOVE as it’s so glowy but almost guaranteed to break out. Please bring out products with better ingredients considering your price point. The Japanese inspired ingredients like camellia synthesis oil and Rice water are giving clean girl, natural girl and are excellent ingredients but unfortunately the other ingredients are the opposite and are giving blocked pores and breakouts. Recently brought the big purple cream and serum and waiting for it to run out before changing my products as tatcha is so expensive I was hoping the ingredients and results would match but unfortunately it doesn’t. Love the brand and vibe but ingredients need an overhaul please.
Date published: 2024-04-26
Rated 2 out of
5
by
Hannah from
Not worth it - get the Dewy skin cream!
My skin fell in love with both the Dewy skin cream and the Indigo Overnight cream from Tatcha and so I went ahead and bought this serum, assuming it would be equally amazing... but its so mid. I genuinely don't see the difference between the days I put both the serum and a moisturiser, or just a moisturiser. On top of that, it runs out twice as fast as the moisturisers do, but cost more. I'm so confused! The only plus of this product is that it glides onto the skin nicely and feels good sitting on the skin. However I'd still say, save your money and just use a generous amount of the Dewy skin cream.
Date published: 2024-04-25
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