Does this product have Formaldehyde and sulfate?

No,this unique Keratin Hair Serum doesm't contain Formaldehyde or Sulfate

Is this product safe for keratin treated hair ?

I use this product once a week and I cant image it not being safe. I have never had the keratin treatment at a hair salon, but I use a leave in conditioner, heat treatment and infusion therapy keratin replenisher daily on my color treated hair and I have no issues. Plus the keratin protein weekly on top of all the other products with no issues.

Is is this product most effective when applied to dry or wet hair? many thanks.

I think the conditioner is meant for wet hair and this is to apply to dry hair after it's been fixed or blow dried. After I'm done blow drying it, I apply it and it gives it a nice shine. But I'm sure it'll have the same effect if applied to wet hair and then have it blow dried.

You add this to wet hair ? Is this a heat protectant?

Yes, you add our unique Keratin Hair Serum on damp hair. Please see the Directions section: "Apply a few drops to your palms and spread thoroughly on dry to damp hair from hair root to tips." It Is a heat protector, although you will see it evaporates as it is water based.

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Keratin Serum with Biotin, Castor Oil & Collagen | Anti-Frizz Heat Protectant, Leave-In Shine Treatment for All Hair Types, Dry, Damaged, Color-Treated, Normal Hair, 4.25 Fl Oz

Product ID: 24977558

Details

Hair Type
All
Liquid Volume
4.25 Fluid
Scent
Floral

⏳4-6 months supply, 1-3 drops/use

💧Lightweight, non-greasy hydration

🔥Heat protection up to 450°F

$50.85

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✨ Unlock salon-smooth, frizz-free hair every day!

3 IN 1 POWER SERUM - Leave-in treatment, heat protectant, and anti-frizz finisher all in one
COST EFFECTIVE LUXURY - Less than $0.15 per use for salon-quality results at home
FRIZZ CONTROL THAT LASTS - Smooth, manageable hair for 3-4 days—even in humidity
SALON SECRET KERATIN FORMULA - 80+ years of professional-grade hair care, now in your hands
UNIVERSAL HAIR COMPATIBILITY - Perfect for all hair types, including color-treated and chemically processed

VITAMINS Keratin Serum combines biotin, collagen, and nourishing oils in a lightweight, leave-in formula that protects hair from heat up to 450°F, tames frizz for days, and enhances shine. Suitable for all hair types and color treatments, this 4.25 fl oz bottle lasts 4-6 months with just 1-3 drops per use, delivering professional salon results at a fraction of the cost.

Specifications

Asin	B01456DJ66
Best Sellers Rank	#49 in Hair Styling Serums
Is Discontinued By Manufacturer	No
Item Model Number	keratin_hair_serum
Manufacturer	H.Y. Vitamins
Package Dimensions	6.5 x 2.52 x 2.48 inches; 6.4 ounces

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