GLUTATHIONE · KOJI RICE WATER · ALPHA-ARBUTIN · NIACINAMIDE · HYALURONIC ACID
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TWICE-DAILY BRIGHTENING SERUM FOR SKIN THAT LOOKS DULL OR UNEVEN
For dull-looking skin; uneven tone; dark spots
5.0 average· 5 reviews on this pageComplete the routine
Glutathione & Japanese Koji Rice Water Brightening Serum puts glutathione and koji rice water at the centre of a twice-daily serum for skin that looks dull or uneven. Alpha-arbutin and niacinamide support the even look; sodium hyaluronate, glycerin and shea butter the hydration; glycolic and lactic acid the smoothness. 30 mL, with a dropper.
FOR SKIN THAT LOOKS DULL, UNEVEN OR TIRED IN THE MORNING MIRROR
A serum is the step with the longest contact time and the highest concentration of the ingredients that matter. This one stacks the four that skincare associates with an even, radiant look, then cushions them with humectants and shea so the finish stays comfortable.
Glutathione, koji rice water, alpha-arbutin and niacinamide are the four ingredients skincare associates with an even, radiant look. The bottle says it helps reduce dullness and enhance natural glow; this describes what it is formulated for, not a measured result.
The description names dark spots and uneven skin tone as the concerns the serum is designed for. Give it daily use and daytime sunscreen.
Sodium hyaluronate, glycerin and sodium PCA are humectants that draw water into the surface; shea butter and coconut oil hold it there. The bottle lists all five.
Glycolic and lactic acid are the two alpha-hydroxy acids on the list. In a leave-on serum they soften the look of texture over time; they are also why a patch test matters.
Glutathione and vitamin E (tocopherol) are both antioxidants, which is what the description means by protection against environmental damage.
Two or three drops, morning and night, followed by moisturiser and sunscreen by day, as the bottle directs. One reviewer found it a little heavy; use fewer drops if you do.
TWO LEADS IN THE NAME · TWO EVEN-TONE PARTNERS · THREE FOR COMFORT
The ingredient list on the bottle names koji rice water, glutathione, niacinamide, sodium hyaluronate, alpha-arbutin, glycolic acid and vitamin E among others. Open each card for what the ingredient is known for; none of it is a measured result on this product.
Glutathione is a tripeptide the body makes as an antioxidant. In skincare it is used for an even, brighter look, and it is the first lead in this product's name. This card describes the ingredient, not a measured result on this bottle.
Koji is the mould used to ferment rice in Japan. Rice water carrying it is known for a brightening, softening character, and it is the second lead in the name and the fourth ingredient on the list. This card describes the ingredient, not a measured result on this bottle.
Alpha-arbutin is a bearberry-derived molecule skincare associates with a more even tone over time. It is printed on the bottle's ingredient list. This card describes the ingredient, not a measured result on this product.
Niacinamide is known for supporting an even tone and a stronger-feeling barrier, and it is printed on the front of the bottle. This card describes the ingredient, not a measured result on this product.
Sodium hyaluronate is the salt of hyaluronic acid, a humectant known for holding many times its weight in water at the skin surface. It is printed on the front of the bottle. This card describes the ingredient, not a measured result on this product.
Glycolic acid is the smallest alpha-hydroxy acid, known for loosening dead surface cells so skin looks smoother over time. It is printed on the front of the bottle beside hyaluronic acid. This card describes the ingredient, not a measured result on this product.
Tocopherol is the antioxidant form of vitamin E, known for a softening, protective feel. It is printed on the front of the bottle. This card describes the ingredient, not a measured result on this product.
WHY A BRIGHTENING SERUM NEEDS THE REST OF THE ROUTINE
Skin looks uneven when pigment settles unevenly and the surface is dry enough to scatter light. The ingredients that address the first are slow by nature; the ones that address the second work the same day.
This serum carries both. Glutathione, koji rice water, alpha-arbutin and niacinamide are the even-tone ingredients; hyaluronic acid, glycerin and shea are the same-day comfort. The bottle's own directions add the step that makes the slow work stick: moisturiser, and sunscreen during the day.
THE TWO-DROP ROUTINE
The bottle directs two to three drops on clean, dry skin, massaged in until absorbed, morning and night, followed by moisturiser and sunscreen by day. It contains glycolic and lactic acid, so patch test before first use.
Wash with a gentle cleanser and pat the skin dry.
Dispense onto fingertips and massage gently over face and neck until absorbed, as the bottle directs.
Follow with your gel or cream. In the morning, finish with sunscreen; the serum's even-tone ingredients need it.
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5 reviews on this page
WHAT PUBLISHED REVIEWS DESCRIBE
No before-and-after photographs are shown for this serum, because none have been taken under matched conditions. What the published reviews describe is a serum people rate as very good and excellent; the quotes below are copied word for word from this page's review widget.
“Very good product 👍🏻I like this product 😸”— Sk Sahadat Ali · verified buyer
“Very Good”— Maitrayee Basistha · verified buyer
“Excellent product 💯”— Sk Sahadat Ali · published review
BUILD A ROUTINE AROUND THE SERUM
Pair the serum with the Glutathione & Koji Rice Water foaming face wash, gel and cream, and adjust the frequency to your skin and the current pack directions.
Cleanse before the serum
Light gel over the serum by day
Cream over the serum at night
THE QUESTIONS PEOPLE ASK BEFORE THEIR FIRST BOTTLE
The hydrating ingredients show the same day as plumper-feeling skin. The even-tone ingredients are gradual by nature; keep to twice daily with sunscreen and judge over weeks, not days.
Yes. The bottle directs sunscreen during the day, and any routine built on even-tone ingredients and alpha-hydroxy acids should have it.
It contains glycolic and lactic acid. Patch test on the inner forearm and wait 24 hours before first full use; if it stings, start with once a day.
Probably. Two or three drops is the full dose; shea butter and coconut oil give it a cushioned feel. Use fewer drops or apply to slightly damp skin.
Keep them on separate nights at first, since this serum already contains AHAs. Introduce one new active at a time.
Water, isopropyl myristate, glycerin, koji rice water, ethylhexyl stearate, coconut oil, Olivem 1000, glutathione, ceteareth-20, sodium PCA, niacinamide, lactic acid, sodium hyaluronate, shea butter, alpha-arbutin, glycolic acid, potassium sorbate, tocopherol, sodium gluconate, sodium benzoate, phenoxyethanol, micronised titanium dioxide, butylated hydroxytoluene and zinc oxide, as printed on the bottle.
One last look
Clean skin. Two or three drops. Moisturiser, and sunscreen by morning. Glutathione and koji rice water for skin that looks tired when you are not.
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