---
product_id: 307624627
title: "Kerotin Hair Thickening Spray with Keratin for Fine & Thin Hair Growth in Women, Heat Protectant, Repair Mist for Volume, Body & Shine, Diameter Booster, Natural, Sulfate & Cruelty Free, Made in USA"
brand: "k kerotin"
price: "A$57"
currency: AUD
in_stock: true
reviews_count: 8
category: "K Kerotin"
url: https://www.desertcart.com.au/products/307624627-kerotin-hair-thickening-spray-with-keratin-for-fine-and-thin
store_origin: AU
region: Australia
---

# All-natural ingredients Lightweight formula Heat protectant Kerotin Hair Thickening Spray with Keratin for Fine & Thin Hair Growth in Women, Heat Protectant, Repair Mist for Volume, Body & Shine, Diameter Booster, Natural, Sulfate & Cruelty Free, Made in USA

**Brand:** k kerotin
**Price:** A$57
**Availability:** ✅ In Stock

## Summary

> 💁‍♀️ Elevate your hair game—thicker, fuller, unstoppable!

## Quick Answers

- **What is this?** Kerotin Hair Thickening Spray with Keratin for Fine & Thin Hair Growth in Women, Heat Protectant, Repair Mist for Volume, Body & Shine, Diameter Booster, Natural, Sulfate & Cruelty Free, Made in USA by k kerotin
- **How much does it cost?** A$57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/307624627-kerotin-hair-thickening-spray-with-keratin-for-fine-and-thin)

## Best For

- k kerotin enthusiasts

## Why This Product

- Trusted k kerotin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safe & Clean Beauty:** Sulfate-free, paraben-free, cruelty-free, and made 100% in the USA
- • **Instant Volume & Shine:** Adds body and natural movement without stickiness or heaviness
- • **Nourish & Repair Daily:** Keratin-infused mist restores and strengthens fine, thin hair from root to tip
- • **Boost Your Hair Diameter:** Polymer tech + NaturePep Amaranth thickens strands visibly in just 3 uses
- • **Effortless Routine Upgrade:** Spray on daily for ongoing growth stimulation and heat protection

## Overview

Kerotin Hair Thickening Spray is a lightweight, keratin-enriched treatment designed specifically for fine and thin hair. Using advanced polymer technology and natural ingredients like NaturePep Amaranth, it increases hair diameter and promotes growth within just a few applications. This sulfate- and paraben-free formula also provides heat protection and restores hair health, delivering volume, body, and shine without any sticky residue. Proudly made in the USA and cruelty-free, it’s the perfect daily boost for women seeking visibly thicker, healthier hair.

## Description

desertcart.com : Kerotin Hair Thickening Spray with Keratin for Fine & Thin Hair Growth in Women, Heat Protectant, Repair Mist for Volume, Body & Shine, Diameter Booster, Natural, Sulfate & Cruelty Free, Made in USA : Beauty & Personal Care

Review: Hair is fuller and more manageable - Great product to increase hair volume. When I use it people comment on the fullness of my hair. No stickiness, gumminess or fullness. Im on my 2nd bottle and it goes a long way
Review: Great product. - I like this spray. It helps the ends of my hair to appear thicker than what they really are.

## Features

- A lightweight, diameter booster hair treatment that penetrates the hair fiber to increase thickness over time while nourishing and restoring strands. Ideal for fine, thin, weak hair.
- Extensive Thickening Treatment uses polymer technology with scientifically proven, natural ingredients to increase hair diameter and boost hair growth while providing moisture, movement, heat protection, and Keratin healing.
- ALL-NATURAL INGREDIENTS: Enjoy thicker, fuller, longer hair with Kerotin's Thickening Mist, formulated with NaturePep Amaranth to penetrate the hair fiber and increase thickness in as little as three applications.
- EASY TO APPLY AND INCORPORATE INTO YOUR ROUTINE: Apply Extensive Thickening Hair Treatment daily over the entire length of hair, from root to ends, to increase thickness over time while nourishing, and stimulating growth. For instant volume, combine with the Kerotin Volumizing Line.
- 100% MADE IN THE USA AND NOT TESTED ON ANIMALS: Kerotin Hair Care products are created with the highest quality ingredients available to help women successfully navigate hair changes, offering healthy and effective solutions for each need. Products do not have side effects and are free of alcohol and parabens.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0921KYMZ7 |
| Best Sellers Rank | #49,106 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #597 in Hair Sprays |
| Customer Reviews | 4.2 4.2 out of 5 stars (1,324) |
| Manufacturer  | Extensive |
| Package Dimensions  | 5.79 x 2.17 x 2.13 inches; 9.14 ounces |
| UPC  | 611851704322 |

## Product Details

- **Active Ingredients:** rosemary
- **Brand:** K Kerotin
- **Item Form:** Spray
- **Item Weight:** 0.26 Kilograms
- **Scent:** Subtle floral bouquet

## Images

![Kerotin Hair Thickening Spray with Keratin for Fine & Thin Hair Growth in Women, Heat Protectant, Repair Mist for Volume, Body & Shine, Diameter Booster, Natural, Sulfate & Cruelty Free, Made in USA - Image 1](https://m.media-amazon.com/images/I/71XZpKI5a8L.jpg)

## Questions & Answers

**Q: Is it gluten-free?**
A: Hi  Irishgirl 

Yes, our Extensive Thickening Treatment is gluten-free.

**Q: can i use my own styling products after i put it in my hair?**
A: Hi 

Yes. Just apply Extensive Thickening Treatment directly onto the hair strand. You can apply it to damp or dry hair, and proceed to style as usual.

**Q: Does this penetrate the hair shaft or coat it?**
A: Hi

Yes. Our Extensive Thickening Treatment is a diameter-boosting hair treatment that penetrates hair strands to increase thickness over time while nourishing and restoring strands. Ideal for those with thinning hair or excessive breakage.

**Q: Can I use without a blow dryer?**
A: Yes you can use Kerotin without a blow dryer.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Hair is fuller and more manageable
*by K***S on January 13, 2026*

Great product to increase hair volume. When I use it people comment on the fullness of my hair. No stickiness, gumminess or fullness. Im on my 2nd bottle and it goes a long way

### ⭐⭐⭐⭐⭐ Great product.
*by A***R on January 29, 2026*

I like this spray. It helps the ends of my hair to appear thicker than what they really are.

### ⭐⭐⭐⭐ Heat protection
*by J***A on August 23, 2025*

I'm half way through my first bottle..I have very fine and thin hair and this product seems to be making it a little thicker and it's protecting my hair from heat damage..not as dry looking

## Frequently Bought Together

- Kerotin Hair Thickening Spray with Keratin for Fine & Thin Hair Growth in Women, Heat Protectant, Repair Mist for Volume, Body & Shine, Diameter Booster, Natural, Sulfate & Cruelty Free, Made in USA
- Kerotin Hair Growth Serum with Castor Oil for Hair Loss in Women, DHT Blocker, Promotes Scalp Care & Thicker Fuller Hair, Thickening Drops, Natural, Sulfate & Cruelty Free, Made in USA
- Kerotin Hair Growth Vitamins, Biotin Supplement, DHT Blocker, Collagen Stimulator, for Hair Loss Support, Nail & Skin Care, Includes Saw Palmetto, Vitamin D3 & More - 60 Pills (1 Month Supply)

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**Shop now:** [https://www.desertcart.com.au/products/307624627-kerotin-hair-thickening-spray-with-keratin-for-fine-and-thin](https://www.desertcart.com.au/products/307624627-kerotin-hair-thickening-spray-with-keratin-for-fine-and-thin)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-04*