Glass Hair Duo by Simply Mandys
EN. Nutritive Keratin Hair Mask protects and restores hair. Enriched with Argan and Macadamia Oils, it hydrates and strengthens hair follicles. Keratin smooths the hair cuticle, making strands look full and glossy. It also reduces frizz, eases styling, and enhances straightness, especially for curly hair.
How to Use: Apply generously to wet hair from mid-lengths to ends and distribute evenly. Leave on for 3-5 minutes to allow the formula to penetrate, then rinse thoroughly.
Warnings: For external use only. Avoid contact with eyes. If contact occurs, rinse thoroughly with water. Keep out of reach of children. Not to be used for children under 3 years of age.
| Key Ingredients | Benefits |
|---|---|
| Argan Oil | Hydrates and nourishes hair |
| Macadamia Oil | Strengthens hair follicles |
| Keratin | Smooths cuticle, reduces frizz, enhances straightness |
FAQ
Can this hair mask be used on curly hair?
Yes, this hair mask is especially effective for curly hair as it reduces frizz and enhances straightness while improving shine and manageability.
How long should I leave the mask on?
Leave the mask on for 3 to 5 minutes to allow the formula to penetrate the hair shaft effectively.
Is this product safe for color-treated hair?
Yes, the mask is formulated to protect and restore hair without damaging color, making it suitable for color-treated hair.

Deirdre Martin –
I’ve used this mask for a few weeks now and my curly hair feels much softer and less frizzy. The shine is noticeable after every use. It’s easy to apply and works well on damp hair. My hair looks fuller and more defined.
Lisa Berry –
Great product for adding moisture to dry ends. It doesn’t leave a heavy residue and my hair feels smooth after washing. Works best when used once a week on mid-lengths to ends.
Julia Ellison –
My hair was very frizzy before using this mask. After just one application, it felt smoother and looked more polished. The argan oil really helps with hydration, especially in dry climates.
Mary Paige –
I use it once a week and notice a visible difference in manageability. It doesn’t make my hair too shiny, which I prefer. My curls stay defined and don’t flatten as much.
Blake Clarkson –
This is a reliable hair mask that delivers on its promises. My hair feels stronger and more resilient. I especially like how it reduces frizz without weighing down the strands.