Shaping keratin fibers comprises applying, to the keratinous fibers, at least one composition in gel form comprising fresh fruit juice, polymer thickeners with sugar pattern, gum exudates from trees or shrubs, alginates from brown algae, gums derived from red algae with a weight ratio of >；= 25% of sulfate groups per disaccharide pattern, gums from seed or tuber microbial gums, cellulose and/or starch. An independent claim is included for a cosmetic kit or set for forming the keratin fibers comprising, in separate containers, at least one lyophilizate prepared from a homogenate fresh fruit and water with sufficient quantity to enable the reconstruction of the fruit by mixing with the lyophilizate and polymer thickener.
