Alterna Caviar Anti-ageing Brunette Shampoo. Sulfate Free. Paraben Free. Biodegradable Formula. UVA/UVB Protection. Alterna Caviar Anti-ageing Brunette Shampoo The Alterna Caviar Anti-Ageing Brunette Shampoo is an enzyme based care product designed to revive and restore your dull, dry brunette hair. It?s perfect for maintaining and reviving brunette shades whilst counteracting unwanted red/orange tones without the harmful chemicals found in ordinary products. Neutralising green/blue tint offers progressive tonality without using deposits that change the shade of your hair colour, to leave your locks with multidimensional shine and vibrancy.