amika 3D Thickening Treatment in Beauty: NA. amika 3D Thickening Treatment in Beauty: NA. This formula sets the perfect foundation for thicker and denser-looking locks. Formulated with Redensyl?*, this treatment encourages the appearance of healthier-looking, radiant hair. recommended for fine, thin or thinning hair-types.. Ideal for thinning hair. Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. Vegan, Gluten-Free, and Cruelty-Free. 120ml. Glide brush through a section of dry, brushed, tangle-free hair (as you would with a paddle brush) from root to tip to reveal smooth, frizz-free style.. AIKA-WU153. AM50.15756. Amika is committed to curating haircare and styling tools fit for a lifestyle of self-expression and rebellion against conformity and the mundane. Founded by industry outsiders in Williamsburg, Brooklyn in 2007, amika is the antithesis of a typical beauty brand. Instead of purveying unattainable perfection, amika believes in an evolving and totally individual version of beauty. The result is a culture of inclusion and positivity, all while injecting a sunny disposition into haircare.