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The Japanese group has identified a previously unknown mechanism showing that the hair fibre continues to deteriorate during the seven days following hair colouring.

Japanese group Kao will roll out its H-Linx TECH technology across the Liese hair colour range from August 2026 in seven Asian markets: Hong Kong, Thailand, Taiwan, Malaysia, China, Japan and Singapore.

Japanese group Kao has identified, in humans, the mechanism linking improved blood circulation to better skin condition.

Japanese group Kao has identified, in humans, the mechanism linking improved blood circulation to better skin condition.

The Japanese group has developed a technology designed to spread sweat across the skin, accelerating its evaporation.

The Japanese group has demonstrated that skin sensitivity is linked to the excessive extension of nerve fibres in the stratum corneum, caused by impaired epidermal tight junctions.