HAIRSOSIMPLE – 1-Step Straightening Treatment So Liss 400ml

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European technology, professional and lasting results.

The So Liss 1-Step Straightening treatment from the Brazilian brand HAIR SO SIMPLE is a professional thermal straightening system, formulated with advanced technology to offer effective, safe, and long-lasting straightening. Developed in partnership with European laboratories, this treatment acts deeply on the hair fiber without compromising its integrity.

Innovative and safe formula

• Based on citric acids conjugated in nano-molecules , which smooth without damaging.

• Formaldehyde-free , safe for both the professional and the client.

• With violet pigmentation , which neutralizes unwanted reflections in colored hair.

• Enriched with pearl and silver powder for a luminous and refined finish.

• New, milder and more pleasant scent .

Key benefits

• Smooth, natural effect and intense shine from the first application.

• Significant reduction in volume and frizz.

• Hair that is looser, softer, and easier to comb.

• Lasts up to 6 months when used with the SoLiss maintenance line.

• A concentrated, high-yield product with low waste.

Simplified professional application

• Applied to clean, dry hair, no need for harsh products.

• Processing time between 45 and 60 minutes , adjusted according to hair type.

• Requires sealing with a professional flat iron for an effective and long-lasting result.

• The technical guide is included with the product to ensure accurate and safe application.

Recommended for

• Natural, voluminous, unruly, or frizzy hair.

• Hair that has been colored or has undergone chemical processes (provided they are stabilized).

• Professionals seeking a safe alternative to formaldehyde, with superior performance.

Recommendations

• To maintain results, use exclusively the SoLiss maintenance line .

• Haircuts, bleaching, and other technical services should be done before straightening.