Is Subrina Lightener suitable for sensitive scalps or chemically treated hair?

The product relies on strong oxidative agents (potassium and ammonium persulfate) that can irritate sensitive scalps and further weaken already damaged hair, so a patch test is essential and it is best used on healthy, untreated hair.

What function does potassium persulfate serve in Subrina Lightener, and how does it achieve hair lightening?

Potassium persulfate is the primary oxidizing agent; when activated with a developer it generates sulfate radicals that break the melanin pigments and disulfide bonds in hair, resulting in a rapid lift of color.

How should Subrina Lightener be applied safely, and what cautionary ingredients should users be aware of?

Mix the powder with a suitable developer (usually 20‑30 vol), apply for 30‑45 minutes while monitoring the scalp, then neutralize thoroughly; users should be aware of the presence of ammonium persulfate, sodium lauryl sulfate and the synthetic colorant C.I. 77007, all of which can cause irritation, so wear gloves, work in a well‑ventilated area, and avoid prolonged skin contact.

Subrina • 50g

Lightener

Bleach

Product Insights

Lightener is a 50 g plastic‑packaged hair bleaching powder from Subrina, designed to lift color by oxidative action. Its core actives are potassium persulfate and ammonium persulfate, supported by sodium silicate, sodium stearate, and a blend of gums and silica that stabilize the mixture and aid application. While the formulation is free from animal‑derived ingredients, it contains strong oxidizers and surfactants such as sodium lauryl sulfate that can cause scalp irritation or allergic reactions in sensitive users, so a patch test and proper protective measures are recommended.

Comparative Analysis

Positioned as a professional‑grade bleaching powder, Lightener competes with other high‑strength salon bleaches by offering a fully synthetic, vegan‑friendly formula with a broad range of stabilizers, yet its inclusion of potent oxidizers and SLS places it in the same risk category as many conventional hair lighteners.

Ingredients

POTASSIUM PERSULFATE, AMMONIUM PERSULFATE, SODIUM SILICATE, SODIUM STEARATE, CYAMOPSIS TETRAGONOLOBUS GUM, SILICA, HYDRATED SILICA, MAGNESIUM CARBONATE HYDROXIDE, CYCLODEXTRIN, XANTHAN GUM, SODIUM LAURYL SULFATE, TETRASODIUM EDTA, PARAFFINUM LIQUIDUM, C.I. 77007/ULTRAMARINES

84%

35%

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Frequently Asked Questions

Everything you need to know about Lightener.

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Subrina • 50g

Lightener

Bleach

Product Insights

Comparative Analysis

Ingredients

84%

35%

Unlock Deep Cosmetic Safety Check

Scan this and millions of other cosmetics with the free NutrScan app to discover ingredient safety, potential concerns, and detailed product analysis before every purchase.