NUTRAHARMONY Hydrating Hair Serum for Dry & Frizzy Hair — 5 oz Lightweight Leave-In, Anti-Frizz with Keratin & Biotin

NUTRAHARMONY Hydrating Hair Serum is a lightweight, leave-in treatment that smooths frizz, boosts shine, and helps strengthen dry, damaged hair without greasy buildup.

This serum is formulated for everyday smoothing and polish. It combines keratin, biotin, castor oil, rosemary oil, and vitamins B and E in a non-greasy, creamy-serum base designed to refine the hair surface, reduce flyaways, and add shine while remaining light on fine to medium textures. Use it as a prepping step before heat styling or as a finishing touch to tame frizz and enhance manageability.

How quickly will I see smoother, less frizzy hair?

Many users notice improved surface smoothness and fewer flyaways immediately after application. Continued use helps hair appear more consistently polished as conditioning ingredients work to improve elasticity and reduce breakage over time.

• Instant: reduces visible frizz and flyaways after one application
• Daily: lightweight formula avoids buildup with everyday use
• Ongoing: keratin and biotin support stronger-looking strands with repeated use

Can this serum protect hair during heat styling?

Yes — the formula functions as a smoothing base that helps protect the hair surface when using heat tools. Apply a small amount through mid-lengths and ends before blow-drying or straightening to help the hair lay flatter and reflect shine without stiffness.

• Apply on damp hair for smoother blowouts
• Use sparingly near roots to avoid weighing fine hair down
• Works well as a finishing product to lock in shine after styling

Will this serum make my hair feel heavy or greasy?

No — the Hydrating Hair Serum is formulated to be lightweight and non-greasy. Its soft, cream-like texture spreads easily and absorbs into strands, delivering smoothing benefits without the residue or heaviness associated with richer creams or oils.

• Soft serum texture for even distribution
• Leaves hair touchable and flexible, not stiff
• Sulfate-free and suitable for daily use on fine to medium hair

How does this product support hair repair and strength?

The serum combines keratin and biotin with nourishing oils and vitamins to support the hair’s appearance of strength and resilience. While not a medical treatment, these ingredients help improve the look and manageability of damaged ends and make hair less prone to breakage from everyday styling.

• Keratin helps smooth the cuticle for a sleeker finish
• Biotin and vitamins support healthier-looking strands
• Castor and rosemary oils add moisture and improve sheen

Who is this for: NUTRAHARMONY Hydrating Hair Serum is ideal for people with fine, normal, or medium-texture hair seeking lightweight frizz control, added shine, and a non-greasy finish. It’s a good choice if you want salon-style smoothness at home, need a product that works both before and after styling, and prefer sulfate-free, cruelty-free care that won’t weigh hair down. If your hair is very coarse or requires heavy deep conditioning, pair this serum with a richer mask or oil on occasion for best results.

Ingredients

Water, Cyclopentasiloxane, Propylene Glycol, Dimethiconol, Hydrolyzed Wheat Protein, Hydroxyethylcellulose,Panthenol，Acrylamide/Sodium Acryloyldimethyltaurate Copolymer, DMDM Hydantoin, Tocopherol, Parfum (Fragrance)，Hydrolyzed Keratin, Biotin, Hydrolyzed Collagen, PEG-40 Hydrogenated Castor Oil,Rosmarinus Officinalis (Rosemary) Leaf Oil,Argania Spinosa Kernel Oil, Polyquaternium-28.