L'Oreal Paris Dia Light Gel-Creme Demi-Permanent Hair Colour 4.15 Ash Mahogany

Product Description

L’Oréal Paris Dia Light Gel-Creme Demi-Permanent Hair Colour is a hyaluronic, acidic gel-cream colour designed to tone, refresh and add shine for a glossy, polished finish. With zero ammonia and “zero lift”, it’s made to deposit colour gently rather than lighten, helping revitalise faded pre-existing tones.

Shade 4.15 Ash Mahogany is ideal if you want a cool, natural-looking depth with an ash-leaning nuance - great for keeping colour-treated hair looking luminous between salon appointments. Typically, Dia Light lasts around 4–6 weeks depending on your wash routine and hair porosity.

What makes it stand out is the acidic pH formula that helps seal the cuticle for smooth, reflective results, plus Hyaluronic Acid to replenish moisture. The gel-cream texture also supports precision application, and processing time is flexible (about 2–20 minutes). For reference, the formula is also paired with the Diactivator and an optional Dia Light Liquifier for customisable intensity.