Most hair serums just sit on the surface, but d'Alba focuses on internal repair using high-end ingredients typically reserved for your face:

: Always shake 2–3 times to mix the oil and serum layers.

The Secret to Glass Hair: A Deep Dive into d'Alba’s Repairing Protein Serum (R01)

: Spray evenly over your hair and dry with a hairdryer or let it air dry. No rinsing required. The Verdict

: Specifically formulated to improve hair strength and reduce breakage.