Schwarzkopf Osis Flatliner protects the hair from heat styling with humidity protection. The serum provides extra care and protection for your hair when using straighteners with its 200°C heat proof ingredients. Flatliner provides long lasting shiny,silky and frizz free hair that will last all day long.
O**A
Worth every penny!
Brilliant ! One of the best on the market!Helps straighten your fair + protects it the same time. Leave them light and smooth.
Trustpilot
3 days ago
1 month ago
