According to a recent LinkedIn post from Gisou by Negin Mirsalehi, the company is showcasing its product development and testing process for its Honey Gloss Ceramide Therapy Hydrating Shampoo and Conditioner. The post highlights a “Light Reflection Test,” in which an independent third-party laboratory reportedly uses a gloss-ometer to measure shine by tracking how much light reflects off the hair’s surface.
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The company’s LinkedIn post suggests that smoother hair cuticles lead to greater light reflection and what the brand describes as a visible “Gisou glow” for up to three days. For investors, this emphasis on third-party testing and technical measurement may indicate an effort to differentiate Gisou’s hair-care products through perceived efficacy, potentially supporting premium pricing, brand loyalty, and competitive positioning in the prestige beauty and personal-care segment.