Temporary colour stays until shampoo’d out (you can swim in it!). To extend highlights, use side edge of small brush. Lightly dust off any excess powder with wide end of brush. Use free hand to pull hair flat and taut against head, and press brush down firmly into roots, starting from scalp and working out.
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Unisex Adult Quick Cover Temporary Hair Color Stick Instant Dry Root Touch-Up Hair Dye Pencil Quick Cover Root Touch Up Mascara
Aliexpress UK
Also great for thickening and perfecting thinning hairlines!
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5g Root Touch Up Powder for Hair Beard and Eyebrows Instant Color Touch-up Hair Powder Waterproof Natural Dyeing Makeup Products
Aliexpress UK
No More Roots! With the ease of a photo retouch tool, all shades seamlessly cover grey roots. To extend highlights, use the side edge of the small end of the brush. Use free hand to pull hair taut at the root.
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염색 New Black Brown One-Time Hair Dye Pen Instant Gray Root Coverage Root Touch Up Pen Hair Color Fast Temporary Cover White Hair
Aliexpress UK
Conceal the appearance of root regrowth, greys and sparse areas with the cult-favourite Color Wow Root Cover Up. The reflective mineral powder boasts a natural-looking finish, allowing you to visibly enhance the luminosity of your colour until your next wash.
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Hair Root Touch-Up Sticks Hair Mascara Disposable Eyelash Type Hair Dye Stick To Cover White Hair Color Unisex-Adult Hair DyePen
Aliexpress UK
Color WOW Root Cover Up - Medium Brown - 2.1g.
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SEVICH Hair Dye Stick With Comb Temporary Waterproof Hair Coloring Pen Disposable Hair Root Concealer Stick Grey Touch Up Stick
Aliexpress UK
The Root Cover Up from Color Wow is a magic powder that conceals grey roots, and refreshes highlights. The cover up powder also thickens and perfects thinning hairlines. The hair colouring powder covers the grey hairs flawlessly and extends highlights without the use of hydrogen peroxide.
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Men's Hair & Beard Dye For Gray Hair Coverage Natural Black Fruit Hair Dye Cream & Root Touch Up Plant Extract Coloring Shampoo
Aliexpress UK
No More Roots! With the ease of a photo retouch tool, all shades seamlessly cover grey roots. - The blonde shade even covers dark re-growth in lightened/highlighted hair; never before has dark re-growth been 'lightened' without peroxide.
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EELHOE Hairline Shadow Powder to Cover Gray Hair Bald Spot Coverage Root Touch up for Hair Volume Powder for Women and Men 15g
Aliexpress UK
No More Roots! With the ease of a photo retouch tool, all shades seamlessly cover grey roots. - The blonde shade even covers dark re-growth in lightened/highlighted hair; never before has dark re-growth been 'lightened' without peroxide.
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Hairline Line Shadow Root Touch-Up Refil Contouring Powder-Hair Repairing Volumizing Shadow Filling Powder Forehead Hairline
Aliexpress UK