Kerastase Chronologiste Overnight Youth Serum 90ml

Kérastase Overnight Youth Serum is a night treatment enriched with Pro-Xylane™ and Alga Ochrophyta designed to reduce visible signs of aging. It provides intensive care and improves hair diameter, reduces frizz, increases shine, and enhances strength.

• The description claims that after one night, the serum increases hair diameter by +5.7%, reduces frizz by 66%, increases shine by 32%, and enhances strength by 92%.
• The description claims that 77% of users feel their hair is revitalized after using the serum.