Difeel Pro-Growth Biotin Shampoo 33.8 oz — Strengthening Shampoo for Thinning Hair, Color-Safe & Fortifying

Difeel Pro-Growth Biotin Shampoo is a large 33.8 oz strengthening shampoo formulated with biotin to help cleanse, fortify, and improve the look of thinning hair.

This salon-size shampoo combines a biotin-enriched formula with gentle cleansing agents to remove buildup while supporting hair that looks fuller and more manageable. It is color-safe and designed for everyday use on a variety of hair textures. The formulation focuses on strengthening strands and improving appearance, leaving hair softer and more luminous after use.

How does this shampoo support thinning or fragile hair?

The formula includes biotin, a B-vitamin often used in hair-care products to promote stronger-feeling strands. Regular cleansing removes oils, dirt, and styling residues that can weigh hair down, making it appear thinner. Using a strengthening shampoo can improve combability and reduce breakage from handling wet hair.

• Biotin-enriched formula to support stronger-feeling strands
• Deep-cleansing surfactants that lift buildup without overdrying
• Helps reduce breakage by improving manageability

Will it work with color-treated or delicate hair?

This shampoo is labeled color-safe and formulated to be forgiving on hair that has been treated. It focuses on gentle cleansing and conditioning to preserve color vibrancy and shine. For best results, pair with a compatible conditioner or color-protecting treatment.

• Color-safe formula designed for regular use
• Promotes softness and manageability to minimize frizz
• Suitable for many hair types, including chemically treated hair

How should I use the 33.8 oz bottle for best results?

Wet hair thoroughly, apply a small to moderate amount, massage into scalp and through lengths, then rinse. Repeat if hair is especially oily or product-laden, and follow with a conditioner focusing on mid-lengths to ends. Consistent use helps maintain a cleaner scalp and the look of fuller hair.

• Apply to wet hair, massage into scalp, rinse thoroughly
• Repeat once for heavy buildup or oily scalps
• Follow with conditioner for hydration and detangling

What can I expect in terms of texture, scent, and longevity?

The shampoo has a smooth, easily spreadable texture that lathers to lift impurities without leaving heavy residue. It is packaged in a large 33.8 oz bottle for extended at-home use, making it economical for long-term routines. Expect improved softness and shine after repeated applications.

• Silky, easy-to-dispense texture that lathers well
• Large bottle size reduces the need for frequent repurchases
• Leaves hair softer and with a healthy-looking sheen

Who is this for: Difeel Pro-Growth Biotin Shampoo is designed for men and women looking to improve the appearance and strength of fine, thinning, or fragile hair. It's a practical choice for anyone who wants a color-safe, biotin-fortified shampoo in a large, value size for regular home use. Avoid if you have specific scalp sensitivities—perform a patch test if unsure.

Ingredients

Water/Aqua/Eau, Sodium C14-16 Olefin Sulfonate, Cocamidopropyl betaine, Decyl Glucoside, Glycerin, Biotin, Guar Hydroxypropyltrimonium Chloride, Silicone Quaternium-16, Pathenol, Hydrolyzed Corn Protein, Hydrolyzed Wheat Protein, Hydrolyzed Soy Protein, Undeceth-11, PEG-150 PentaerythritylTertrastearate, PEG-6 Caprylic/Capric Glycerides, Hydrolyzed Quinoa, Undeceth-5, Butyloctanol, Sodium Benzoate, Citric Acid, Fragrance/Parfum, Tetrasodium Glutamate Diacetate, Butylphenyl Methylpropional (Lilial), Methyl 2-Octynoate.