Garnier Fructis Grow Strong Thickening Shampoo for Fine Hair – Paraben, Silicone, and DMDM Hydantoin Free Family Wash, 33.8 Fl Oz
Garnier Fructis Grow Strong Thickening Shampoo for Fine Hair – Paraben, Silicone, and DMDM Hydantoin Free Family Wash, 33.8 Fl Oz
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Why you'll love it
- Clinically framed 72-hour fullness claim when used as a full system delivers long-lasting confidence between washes
- Biotin + Vitamin C + blood orange extract formula strengthens fine hair while leaving a fresh, energizing scent
- Free-from formulation (parabens, silicones, phthalates, DMDM Hydantoin) reassures ingredient-conscious shoppers
- Leaping Bunny-certified, vegan, and cruelty-free credentials align with ethical beauty values
- 33.8 fl oz family-size bottle offers strong cost-per-ounce value versus salon thickening shampoos
- Bottles made from 100% recycled plastic (excluding pump/cap) reduce environmental footprint
Perfect for
- Daily wash to add visible fullness and body to fine, flat hair
- Part of a complete Garnier Fructis Grow Strong thickening system for 72-hour fuller-looking results
- Bulk-size replenishment for households that share a single shampoo bottle
- Clean-beauty routine swap for users avoiding parabens, silicones, phthalates, and DMDM Hydantoin
- Gym or post-workout wash that lifts roots without weighing hair down



Product Information
Garnier is committed to Greener Beauty - our bottles excluding pumps and caps are made of 100% Recycled Plastic
Formulated with biotin, Vitamin C and blood orange extract, instantly add the look of fullness and body so that fine hair feels stronger and healthier with no weigh down
Paraben Free
Leaping Bunny certified, Cruelty Free and Vegan
Up to 72 hours of fuller and thicker looking hair with our system of shampoo, conditioner and 10-in-1 leave in treatment
Fine hair? Get up to 72HR fuller & thicker looking hair with Garnier Fructis Grow Strong Thickening system of shampoo, conditioner, and leave-in treatment, formulated with Biotin & Vitamin C + Blood Orange Extract. No parabens, no silicones, no phthalates, and no DMDM Hydantoin. COMMITTED TO MAKING GARNIER A GREENER BEAUTY BRAND: As a leading global beauty brand, we aspire to create a positive impact by paving the way towards more and more sustainable beauty that’s accessible to all of us. Additionally, all Garnier products, globally, are officially approved by Cruelty Free International under the Leaping Bunny Program.
Items Details
Features & Specs
Item Form: Liquid
Hair Type: Fine
Scent Name: Blood orange
Other Special Features of the Product: Not Tested On Animals
Product Benefits: Thickening
Suitable Hair Color: All Hair Colors
Frequently Asked Questions
Is this shampoo free from the harsh chemicals I keep reading about in fine hair care?
Yes. The Grow Strong formula is made without parabens, silicones, phthalates, and DMDM Hydantoin, which are the four most common additives that ingredient-conscious shoppers flag when switching to a cleaner routine.
Is it safe to leave the open bottle in a shared family bathroom where kids might use it?
The shampoo is a standard rinse-off cosmetic product, not a flammable or hazardous item, so it is safe to store in a family bathroom. As with any shampoo, keep it on a stable shelf and out of very young children's reach to avoid accidental ingestion.
Does the bulk 33.8 fl oz size pose any spill or storage safety concerns?
The bottle has a standard cap closure and is best stored upright on a flat surface. Because it is a liquid shampoo, store it where it cannot be knocked off a ledge, but it carries no fire, chemical, or inhalation risk.
Is this formula tested and certified for clean beauty safety?
Yes. Garnier Fructis Grow Strong is Leaping Bunny certified, vegan, and cruelty-free, and the ingredient list excludes parabens, silicones, phthalates, and DMDM Hydantoin, which are the safety flags most clean beauty shoppers check first.
Will the blood orange extract irritate a sensitive or reactive scalp?
Blood orange extract is included for scent and antioxidant support at a low usage level, and the formula is free from common irritants like parabens and DMDM Hydantoin. Most users with sensitivity find it comfortable, but as with any new product, patch test first if you have a known citrus allergy.
Is this safer for the whole family than my current drugstore thickening shampoo?
Likely yes if your current shampoo contains parabens, silicones, phthalates, or DMDM Hydantoin, since this formula removes all four. The vegan and Leaping Bunny certified credentials also give an extra layer of reassurance for parents who read every label.
How does this compare to natural bar shampoos for ingredient safety?
Unlike many natural bar shampoos that can have a higher pH and leave residue on fine hair, Grow Strong is a liquid formula specifically engineered for fine strands while still meeting strict free-from and vegan standards, so you get clean ingredients plus performance.
Is a family size shampoo bottle okay to use on color treated or chemically processed hair?
The formula is suitable for all hair colors, including color treated hair, because it is silicone free, which means it will not build up on or strip fresh color the way some salon thickening shampoos can.
My biggest worry is DMDM Hydantoin, can you confirm it is really not in this bottle?
Confirmed. DMDM Hydantoin is on the official free-from list for the Grow Strong Thickening Shampoo, alongside parabens, silicones, and phthalates, so you are not exposing your scalp to that preservative with daily use.
How do I use the Garnier Fructis Grow Strong Thickening Shampoo for best results?
Apply to wet hair, massage into the scalp and roots, then rinse. For the full 72 hour fullness claim, follow with the Grow Strong Thickening Conditioner and finish with the 10 in 1 leave in treatment as part of the complete system.
How often should I wash my hair with this thickening shampoo?
It is gentle enough for daily use on fine hair. Most users with limp or oily roots wash every one to three days and still see fuller looking results between washes when using the full Grow Strong system.
Should I double cleanse or just use one wash?
One wash is enough for most days. If you use a lot of dry shampoo, heavy styling products, or workout daily, a quick first wash to remove buildup followed by a second wash to lift the roots will give the cleanest, fullest result.
Is this shampoo safe to use with color treated or highlighted hair?
Yes. The formula is silicone free and suitable for all hair colors, including color treated hair, and it will not strip fresh color the way some sulfate heavy volumizing shampoos can.
Will it work on curly, wavy, or straight fine hair types?
Yes. The thickening liquid is engineered for fine hair across all curl patterns and textures, and it lifts at the root without flattening curls or roughing up straight styles.
What is actually in the box when I order this product?
You receive one 33.8 fl oz bottle of Garnier Fructis Grow Strong Thickening Shampoo. The bottle is made from 100% recycled plastic, excluding the pump and cap. The conditioner and 10 in 1 leave in treatment are sold separately to complete the system.
Are there any safety concerns I should know about before first use?
This is a standard rinse off cosmetic product. Avoid direct contact with eyes, and if contact occurs, rinse thoroughly with water. Discontinue use if irritation develops. Keep out of reach of very young children to prevent accidental ingestion, and store upright in a cool, dry place.
How long will one 33.8 fl oz bottle last for a single person?
For one person washing every one to three days, the 33.8 fl oz size typically lasts four to six months, which is a strong cost per ounce value compared to most salon thickening shampoos.
What is the difference between a thickening shampoo and a volumizing shampoo?
Thickening shampoos, like Grow Strong, focus on strengthening each strand with ingredients such as biotin so hair looks and feels denser over time, while volumizing shampoos mostly coat the hair to create temporary lift at the root. Thickening systems tend to deliver longer lasting, cumulative fullness, especially when used as a full shampoo, conditioner, and leave in routine.

