This Hair Growth set is formulated to revive hair from root-to-tip with a 4-step system to promote hair growth and reduce hair fall. Every hair growth product you need is here for hair length, strength, health and confidence. What’s inside the Hair Growth Routine Set: G•1 Overnight Boosting Peptide Serum, G•2 Strength + Length Shampoo, G•3 Strength + Length Conditioner, G•4 Hydra-Gloss Treatment.