Enriched with Macadamia Nut Oil for a healthy shine, David Mallett's fast-absorbing hair serum protects, nourishes and tames unruly ends without feeling sticky, greasy or heavy. Equally effective for fine, regular, curly and dry tresses, it will give you greater control when blowing drying and add definition to your style and cut. - Suitable for children - Lightly fragranced with Ylang Ylang and Sweet Almond Oil - Maintains and extends peroxide-based color by protecting hair structure - Can be used to protect hair from humidity, exposure to salt water, chlorine and sun damage -Instructions for use: - The amount of serum you need will vary depending on hair length and thickness and the desired effect - Regular or fine hair needs 1 to 3 pumps, dry hair needs up to 6 pumps, very long, dry, frizzy or thick hair can use up to 10 - Distribute product into palm, rubbing hands together - Smooth into damp or dry hair, working from the roots to ends - 50ml/ 1.7fl.oz.