ByUR
ByUR Glow Boost Multi V Serum, 30g
ByUR Glow Boost Multi V Serum, 30g
Rated 4.4 out of 7.0 by Japan's largest beauty community.
A beauty serum that gives firmness, radiance, and moisture with vitamins and plant extracts
✓ 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
An emulsion serum with a thick texture that is absorbed into the skin. Contains the unique compound ingredient "Vailivita" at the highest concentration in the series. It also contains a balanced combination of vitamins A, B, and C, and glutathione to support vitamin C. The semi-emulsion network that steadily delivers beauty ingredients to the skin bursts the moment it is applied to the skin, penetrating the stratum corneum with a pleasant freshness. It prevents damage caused by UV rays and dryness, and brings vibrant beauty to adult skin. : Narcissus tazetta extract, Solanum somniferum fruit extract, Houttuynia cordata extract, Lilium longiflorum extract. all skin conditioning ingredients. : Retinol. skin conditioning ingredient. : Niacinamide. skin conditioning ingredient. : 3-O-ethyl ascorbic acid. skin conditioning ingredient. : Skin conditioning ingredient : Up to the stratum corneum
Ingredients
Water, Glycerin, Glycereth-26, Caprylic/Capric Triglyceride, 1,2-Hexanediol, Niacinamide, Solanum Soja (Solanum) Fruit Extract, Houttuynia Cordata Extract, Tiger Lily Extract, Narcissus Tazetta Extract, 3-O-Ethyl Ascorbic Acid, Ascorbic Acid, Retinol, Bakuchiol, Resveratrol, Adenosine, 4-Terpineol, Glutathione, Ceramide NP, Squalane, Phytosphingosine, Arginine, Rubus Idaeus (Raspberry) Fruit Extract, Aspergillus Ferment, Melia Azadirachta Flower Extract, Melia Azadirachta Leaf Extract, Ocimum Basilicum (Basil) Leaf Extract, Moth Extract, Coralline Algae Extract, Coccinia Indica (Coconut) Fruit Extract, Turmeric Root Extract, PCA-N a, betaine, octyldodecanol, caprylyl glycol, BG, sorbitan sesquioleate, dimethicone, DPG, hydrogenated lecithin, polyglyceryl-2 isostearate, glyceryl stearate, stearyl alcohol, stearic acid, glyceryl stearate (SE), polysorbate 20, cholesterol, acrylates/C10-30 alkyl acrylate crosspolymer, carbomer, ammonium acryloyldimethyltaurate/VP copolymer, xanthan gum, glyceryl acrylate/acrylic acid copolymer, behenyl alcohol, cetearyl alcohol, behenic acid, tromethamine, citric acid, EDTA-2Na, BHT, BHA, fragrance
How to use
Take an appropriate amount in the palm of your hand and apply it to your entire face. *If you use it in the morning, please apply UV protection cosmetics after use to protect the effects of retinol.
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.
Used as a magazine supplement. A milky, viscous beauty essence. It's a loose liquid, but it penetrates smoothly when applied. It doesn't feel sticky and can be used. It's a sample, so I don't know how effective it is, but it was a good feeling to use and made me want to try using it with the lotion and cream from the same series to see what the effects are.
I liked it when I saw it as a sample attachment in a magazine, so I bought the toner, cream, and mask in the line. Even if you buy everything, it's still a relatively affordable price, and the manufacturer seems to be working hard. So far, the impact of the sample hasn't exceeded my expectations, but I'm going to keep using it for a while.
\\Firm, Glowing, Moisturizing Serum//[Product Features] Concentrated beauty ingredients that are great for adult skin, such as vitamin C, retinol, and niacinamide, give you firm, lustrous skin with less noticeable pores*. [Usage] The thick texture is absorbed smoothly into the skin, and it feels gentle and moisturizing like a milky lotion. Protects the skin from damage caused by dryness and UV rays, giving you firm, lustrous, moisturized skin. Effective against loose pores and lack of firmness caused by dryness! The scent is not addictive and it is easy to use, which is a nice point.
This serum contains retinol, vitamin C, and glutathione, giving you firmness, radiance, and moisture, and is packed with fresh vitamins and plant extracts! It will give you firm, radiant skin with less noticeable pores. I love how the smooth texture feels like it's being absorbed into the skin. It's great that it can be used for multiple purposes, not just for anti-aging care*, but also to care for damage caused by UV rays and dryness! I also love how stylish the simple packaging is! *Care according to age
The scent is subtle and easy to use! It has a thick texture, but when you spread it on your skin, you can feel the moisture! It contains great ingredients such as retinol and vitamin C that will give you radiant skin, which is great for me as I have dull and dry skin! I want to keep using this!