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Miso keratin

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Type Product Card addedAugust 10 Threat lists flagged Reviews1
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Astrina AI 4.0

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Alerts on record1 HazardThe product contains formaldehyde, which is forbidden in cosmetics. Formaldehyde is a skin sensitiser and can trigger allergic reactions and may cause cancer. RiskSerious risk Country of originSweden First alertDecember 23, 2022 Latest alertDecember 23, 2022 On our lists sinceAugust 10, 2026

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Astrina Astrina AI Astrina AI rating 2026-09-21
Miso keratin lives in the corner of hair care that promises smoothing, shine and less frizz rather than a radical change in the hair itself. By our assessment, it is the kind of product people reach for when hair feels rough, porous or heat-stressed and needs a more polished surface. The good part is the practical one: keratin-based treatments often make hair feel softer and look tidier, especially on dry or damaged lengths. The trade-off is that this is cosmetic repair, not a permanent fix, so the effect depends on regular use and on not expecting miracles from one bottle. In use, products like this usually sit between a conditioner and a treatment mask, with a heavier feel than an everyday wash product. Miso keratin belongs to a crowded aisle, where many formulas promise the same smoothing story, so it matters most to people who want manageability over drama. It is less useful for those who want volume and a very light finish.
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