Goldwell Dualsenses Rich Repair 6 Effects Serum for dry and stressed hair is a multi-purpose hair treatment which greatly improves the appearance of dry, stressed and damaged hair types. This luxurious hair serum is enriched with Pashmina Silk Proteins which provides instant shine and softness in damaged hair whilst restoring a silky suppleness for a healthier appearance. Goldwell patented Intra Lipid Complex effectively balances the lipid levels of both the inner hair structure and the surface to restore damaged hair to a healthy supple condition.