ARISH DERMA · PRECISION ACTIVES · GLU 3
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GLUTATHIONE 3% AND RICE WATER 2% BRIGHTENING SERUM FOR DULL, UNEVEN AND TIRED-LOOKING SKIN
For dull-looking skin; uneven tone; tired-looking skin; skin that wants fragrance free
New in the Derma rangeComplete the routine
GLU 3 puts Glutathione 3% at the centre of a twice-daily serum for skin that looks dull, uneven or tired. Rice Water 2%, alpha arbutin and niacinamide support the tone; hyaluronic acid and shea butter keep the surface hydrated; glycolic and lactic acid smooth it. Dermatologically tested and fragrance free, as printed on the pack.
FOR A TONE THAT LOOKS UNEVEN AND A SURFACE THAT HAS LOST ITS LIGHT
Skin looks dull when its surface is dry and its tone uneven, and tired when both happen at once. Glutathione, rice water and alpha arbutin are the ingredients formulated to work on the tone; hyaluronic acid and a pair of gentle acids deal with the surface so the brightening has somewhere to show.
Glutathione 3% is an antioxidant tripeptide known for its reputation on the look of dullness and uneven tone. The serum is built around it, and the name states the percentage.
Rice Water 2%, alpha arbutin and niacinamide are known for their work on the look of dark spots and uneven pigmentation. They give the glutathione a supporting cast rather than leaving it to work alone.
Hyaluronic acid, glycerin and sodium PCA draw water into the surface so skin feels smoother and fine lines caused by dryness look softer while it stays hydrated.
Glycolic and lactic acid are alpha hydroxy acids known for gentle surface exfoliation. The pack does not state their levels; they are the reason to wear sunscreen by day.
Niacinamide, shea butter and vitamin E are formulated to leave skin feeling protected and comfortable, so the brightening actives sit on a barrier that is looked after rather than stripped.
The pack states fragrance free and dermatologically tested. It contains exfoliating acids and botanical ingredients, so patch test before first use if your skin is sensitive.
ONE GLUTATHIONE HERO · FIVE SUPPORTING ACTIVES
Glutathione 3% is the formula anchor. Rice Water 2%, alpha arbutin, niacinamide, hyaluronic acid and a glycolic-lactic acid pair support it, with shea butter and vitamin E in the background. Open each card for what the ingredient is known for, without pretending that an ingredient's reputation and a measured result on this bottle are the same thing.
Glutathione is a small peptide of three amino acids that the body makes as one of its own antioxidants. In skincare it is known for its reputation on the look of uneven tone and dullness. The name states it at 3%. This card describes the ingredient, not a measured result on this bottle.
Koji rice water comes from rice cultured with the Aspergillus oryzae mould, the ferment behind sake and miso. It carries the amino acids and small molecules the fermentation produces and is known for a soft, hydrated feel and a more even-looking tone. The name states it at 2%. The claim is about the ingredient, not a result on the finished product.
Alpha arbutin is a plant-derived molecule known in skincare for its work on the look of uneven tone and dark marks. It is one of the four supporting actives printed on the pack; the pack does not state its level. As with every card here, the claim is about the ingredient, not a result on this bottle.
Niacinamide is a form of vitamin B3 known for supporting the barrier and a more even-looking tone. In GLU 3 it sits in the supporting cast rather than as a headline percentage; the pack does not state its level.
Hyaluronic acid is a humectant that binds water at the skin surface. Known for the plumped, cushioned feel it gives, it does the first-use hydration in this serum so the brightening actives sit on a smooth surface. This card describes the ingredient, not a measured result on this product.
Glycolic acid is the smallest alpha hydroxy acid and lactic acid a gentler, more hydrating one. Both are known for loosening the dull outer layer of dead cells so skin looks smoother and brighter. The pack does not state their levels, and they are the reason sunscreen is part of this routine.
THE DIFFERENCE BETWEEN A BRIGHTENING CLAIM AND A BRIGHTENING ROUTINE
Skin reads as bright when light bounces off a smooth, hydrated surface and an even tone. Dryness scatters that light, uneven pigment breaks it up, and a layer of dead cells dulls it further.
GLU 3 works on all three, at different speeds. Hyaluronic acid and glycerin hydrate on the first use. Glycolic and lactic acid are known for loosening the dull surface layer over days. Glutathione, rice water, alpha arbutin and niacinamide are the slow part: ingredients known for their work on the look of tone, formulated to show over weeks of twice-daily use. The honest payoff is skin that looks brighter and more even while you keep using it, not a claim that a serum changes what is underneath.
THE SIXTY-SECOND SERUM RITUAL
Two to three drops cover the face. Massage gently until absorbed, give it a minute before moisturiser, and follow the current pack for quantity and frequency. It contains exfoliating acids, so patch test before first use and wear sunscreen by day.
After cleansing, pat dry and dispense two to three drops onto your fingertips. The serum is light, so you do not need more.
Apply to the face and massage gently until the serum is fully absorbed, keeping it away from the eyes.
Allow about a minute before moisturiser. The pack suggests morning and night; in the morning finish with sunscreen, because the serum contains exfoliating acids.
Marketplace signal
New in the Derma range
WHAT TO LOOK FOR WITH REGULAR USE
No before-and-after photographs are shown for GLU 3, because none have been taken under matched conditions. The meaningful signals for a brightening serum are a surface that feels smoother and more hydrated early on, and a tone that looks more even and less dull with consistent use. Published reviews will appear here as customers post them.
BUILD A ROUTINE AROUND MORNING AND NIGHT
Pair GLU 3 with compatible Arish Derma and Arish face care, and adjust the frequency to your skin and the current pack directions.
Blemish serum for spots and post-acne marks
Barrier serum for nights when skin feels stripped
SPF 30 moisturiser to finish the morning layer
THE QUESTIONS PEOPLE ASK BEFORE THEIR FIRST BRIGHTENING SERUM
Hydration shows on the first use and the surface may feel smoother within days as the acids do their work. Tone and brightness are slower: judge them over weeks of twice-daily use rather than days. No timeline is promised.
Yes. Glycolic and lactic acid appear in the ingredient list; the pack does not state their levels. Introduce the serum slowly if your skin is new to acids, and wear sunscreen every morning.
Yes, with care. Apply the thinnest serum first and give each layer a minute. If you also use the niacinamide and kojic acid serum or a retinoid, consider one in the morning and one at night rather than both at once, since GLU 3 already contains acids.
The pack states fragrance free and dermatologically tested. It still contains exfoliating acids, so patch test on the inner forearm and wait 24 hours before first full use.
The pack suggests morning and night. In the morning, follow with moisturiser and sunscreen; at night, follow with moisturiser or a barrier serum.
No. It is a light serum that goes under moisturiser. Hyaluronic acid and shea butter add hydration, but a moisturiser still seals the layer.
One last look
Clean skin. Three drops. A gentle massage. A glutathione ritual for skin that looks dull, uneven or tired.
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