The One Day Formula is a versatile smoothing treatment designed for all hair types. With 0.02% formaldehyde, it lasts up to 4 months, reduces up to 90% of curl, and eliminates 100% of frizz - without weighing hair down.

Infused with amber extract, this formula strengthens, hydrates, and improves elasticity while promoting smoother, healthier strands. Ideal for clients who want a manageable blowout, frizz-free finish, and a once-a-year refresh.

Ideal for:

• Clients with oily roots needing moisture through mid-lengths and ends
• Those seeking curl reduction and frizz elimination
• A lightweight, once-a-year keratin boost
• Faster, smoother blow-dry results

  View / Download the “Lasio Way Application Guide”