REF Colour Boost Masque Ash Brown Dr Dennis Gross Vitamin C & Lactic Acid it helps unlock the potential

it helps unlock the potential for stronger

A dessert of debauchery

This clay-style wax helps to mattify your hair giving a completely natural finish whilst adding a classic clay-type texture

Adds a silky texture and natural shine

Helps to strengthen the skin barrier with niacinamide

REF Colour Boost Masque Ash Brown Dr Dennis Gross Vitamin C & Lactic Acid it helps unlock the potentialColour Boost Masque Ash Brown 4. 1 by REF. In short: richer colour, better condition, and a noticeable boost in shine, all in the time it takes to have a cup of tea. REF Colour Boost Masque Ash Brown is a clever little upgrade for tired, flat brunette tones. More than just a conditioning hair mask, it works as a toning treatment that reinvigorates your colour in just 10 minutes, ideal when your brown starts looking a bit dull or brassy. Designed to