Koh Gen Do
Koh Gen Do The Skin Wake Fermented Primer Smooth Color Control, SPF42 (Yuzu Yellow), 25ml
Koh Gen Do The Skin Wake Fermented Primer Smooth Color Control, SPF42 (Yuzu Yellow), 25ml
Rated 5.3 out of 7.0 by Japan’s largest beauty community
The more you wear it, the more vibrant your skin becomes. Fermented serum primer*1
✓ 100% AUTHENTIC, SHIPS FROM JAPAN
✓ DUTIES & TAXES INCLUDED FOR US ORDERS
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What it is
Nurture your future skin*2 and improve your skin today. A radiant, awakening glow thanks to the Acerola Fermented Moisturizing Soap (TM)*3. The Skin Wake base makeup series refines and enhances your skin's radiant beauty with every application. This fermented serum primer smooths pores and unevenness*1 with a single application, "priming" your skin for clarity and radiance. It glides on smoothly and freshly, providing powerful UV protection with SPF42 PA++++. The five color variations based on the color wheel correct dullness and uneven skin tone, revealing a translucent, radiant complexion that reveals the natural beauty of bare skin. Contains no water*4. Filled with Acerola Fermented Moisturizing Soap (TM)*3. Rich in natural vitamin C, the fermented liquid and concentrated extract of acerola fruit from Motobu Town, Okinawa Prefecture, addresses various skin concerns, including daytime moisturizing, firmness, dryness, dullness, and UV damage*5. In addition to the Acerola Fermented Moisturizing Solution™*3, the Goso Wake Cocktail*6, which contains carefully selected peony, Job's Tears, mugwort, and Matera mineral (volcanic soil) from all over Japan, and sunflower-derived azelaic acid derivatives*7 work together to address*8 fine lines caused by dryness and leave skin radiant and smooth. <Preparation: Brightening Boost Wake Formula> POINT 1: Covers pores and unevenness. The fresh, smooth texture instantly covers pores and unevenness, resulting in even, brighter skin. POINT 2: Skin Tone Correction (Color Control): The effect of complementary colors based on the "color wheel" covers all skin concerns, including dullness, paleness, redness, acne, pigmentation, blemishes, freckles, and dark circles*1. It leads to skin that is translucent and radiant. POINT 3: Tone Up*1: Naturally corrects pores, unevenness, and dullness, leading to beautiful skin with a natural, healthy glow and translucent skin. Three types of functional powder*9 blend smoothly to cover pores and enhance your beauty. ● For those who want to smooth out pores and unevenness to achieve an even skin finish ● Improves the adhesion and staying power of foundation ● Adds transparency and radiance to skin *1 Makeup effect *2 Taking good care of your skin *3 Acerola cherry fermented filtrate, acerola fruit extract <moisturizing ingredients> *4 Contains water derived from the ingredients *5 Damage caused by dryness due to UV rays, etc. *6 Acerola cherry fermented filtrate, acerola fruit extract, peony root extract, Job's tears seed extract, mugwort leaf extract <moisturizing and skin conditioning ingredient>, volcanic soil <pore-covering ingredient> *7 Azeroyl diglycine potassium <skin conditioning ingredient> *8 Efficacy tested to reduce the appearance of fine wrinkles caused by dryness *9 (HDI/trimethylol hexyllactone) crosspolymer, calcium carbonate, mica, titanium dioxide, iron oxide, dimethicone, hydrogen dimethicone <makeup ingredients> *Free of fragrance, synthetic pigments, petroleum-based mineral oil, UV absorbers, parabens, and alcohol. Patch tested with the cooperation of individuals with sensitive skin. *This does not guarantee that it will not cause skin irritation in all individuals. [Color Options] Wisteria (Purple): Corrects dullness in yellow and blue tones, adding a healthy glow and translucency. Sakura (Pink): Corrects dullness in blue and gray tones, adding a healthy glow and brightening the skin. Yuzu (Yellow): Corrects redness and evens out tones, creating a natural, beautiful complexion. Hisui (Mint): Corrects redness, creating an overwhelming translucency and creating a porcelain-like skin tone. Pearl (Pearl White): Brightens skin tone and creates a radiant glow. [Contents] 25mL (approx. 3-month supply). [UV Protection] SPF42 PA++++
Ingredients
Cyclopentasiloxane, Acerola Cherry Ferment Filtrate, Titanium Dioxide, Diphenylsiloxy Phenyl Trimethicone, Propanediol, Zinc Oxide, PEG-10 Dimethicone, Xylitol, Glycerin, Ethylhexyl Palmitate, HDI/Trimethylol Hexyllactone Crosspolymer, Butylene Glycol, Dimethicone, Water, Zinc Stearate, Lauryl Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone, Stearic Acid, Aluminum Hydroxide, Acerola Fruit Extract, Potassium Azeloyl Diglycinate, Volcanic Soil, Job's Tears Seed Extract, Artemisia Princeps Leaf Extract, Camellia Sinensis Leaf Extract, Prunus Mume Fruit Extract, Yuzu Fruit Extract, Peony Root Extract, Saxifraga Extract, Rice Bran Extract, Ectoine, Hydrolyzed Hyaluronic Acid , Sodium Hyaluronate, Hydroxypropyltrimonium Hyaluronate, Ceramide NG, Ceramide AP, Ceramide AG, Ceramide NP, Ceramide EOP, Rice Bran Oil, Camellia Japonica Seed Oil, Dipotassium Glycyrrhizate, Squalane, Shea Butter, Jojoba Seed Oil, (Dimethicone/Vinyl Dimethicone) Crosspolymer, (Acrylates/Dimethicone) Copolymer, Hydrogenated Lecithin, Phytosterols, Hydroxyapatite, Calcium Carbonate, Sodium Citrate, Trimethylsiloxysilicate, Pentylene Glycol, Disteardimonium Hectorite, Tocopherol, Phenoxyethanol, [+/-] Iron Oxides, Talc, Mica, Silica, Chromium Hydroxide, Methicone, Hydrogen Dimethicone, Ultramarines, Kaolin
How to use
Take an appropriate amount (about the size of a 1 yen coin) in your hand and apply it to five areas: both cheeks, forehead, nose, and chin, then spread it evenly over your entire face. For areas of concern, spread it in circular motions to even out pores. Finally, use both hands to wrap your entire face and blend it in. We recommend applying multiple layers to areas of particular concern. You can also use it on your face line, neck, and décolleté.
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.
It's just right for everyday makeup. It spreads easily and is quick to apply, and it leaves my skin feeling moisturized without being sticky. My foundation also goes on better and doesn't seem to come off as easily.
It does tone up my skin. If I apply too much it turns white. I don't think I'll buy it again.
I received this from Suzykirei. I use it before this brand's cushion foundation. It gives a beautiful finish. I use it all over the face.
I tried the sample I received from Suzykirei. When I picked it up, I thought, "Wow, it's too white!" But a small amount blends well with my skin, leaving a moisturized finish that blurs any imperfections with light. I have reddish skin, so I'd like to try the yellow and green shades in the store.