Is it suitable for bleached, highlighted or very porous hair?

Bleached, highlighted, or chemically processed hair is highly porous, meaning the cuticle is lifted and the cortex is more exposed. When a tinted shampoo is applied to such hair, the pigments can penetrate deeper than intended, often resulting in a stronger, cooler, or uneven tone that may be difficult to remove. The keratin in the formula provides cosmetic smoothing of the surface, but it does not repair structural damage or alter porosity. Before using the product on the whole head, perform a strand test: apply a small amount to a hidden section, leave for the recommended time, rinse, and evaluate the shade. Also carry out a skin sensitivity test 48 hours prior (apply a dab behind the ear or on the inner forearm) to rule out allergic reactions. If the strand test shows an undesirable result, you can dilute the shampoo with a regular non‑tinted shampoo or reduce the leave‑on time. Always follow the package instructions precisely, and avoid leaving the product on longer than advised, as this increases the risk of over‑deposition on porous areas.