Conditioner For Longer Stronger Hair to increase hair growth and volume. Hairburst Conditioner contains more than 95% natural ingredients including panthenol, which gives the hair volume, hydrolyzed wheat proteins, which strengthen the hair, make the hair structure denser, reduce breakage, hair becomes longer, stronger and thicker. Free of SLS and parabens, suitable for vegans. It has the aroma of avocado and coconut. Hairburst shampoos and conditioners are absolutely safe for daily use. They are the perfect complement to any of the products in the Hairburst series.