THICKENING FOAM: 2-IN-1 4.2FLOZ. Benefits: Improves hair health. Strengthens and reduces breakage. Boosts volume and lifts roots. Great for fine or thinning hair. For all hair types!. Dermatologist-Tested. No sulfates, silicones or parabens. Key Ingredients: L-Arginine: Naturally occurring amino acid in keratin that helps to minimize hair loss by protecting hair from damage, reducing hair breakage and supporting the hair's moisture barrier.. Oat Straw Extract: Strengthens, promotes hair elasticity and reduces breakage.. Arnica: Potent anti-inflammatory extract known for its healing benefits that work quickly to balance, soothe and improve scalp health.. Saw Palmetto: Known to promote thicker and fuller hair, reduce hair shedding, strengthen follicles and reduce inflammation.. Also with Blue Agave Extract, Soybean Extract, Moringa Oil, Sweet Almond Oil, Peppermint Oil, Eucalyptus Oil plus more!. 90% Naturally-Derived Ingredients.. Research Results: Clinically proven to improve hair length and thickness in 90 days*. Increases hair thickness by 50% in 90 days*. Reduces hair loss breakage in 90 days*. Improves overall hair health by 75% in 90 days*. *Based on a third-party consumer study when using with Hair Lengthening Treatment Serum.