AMERICAN CREW Boost Volumizing Shampoo for Men — 8.4 fl oz, Lightweight Lift & Shine for Fine/Thinning Hair

AMERICAN CREW Boost Shampoo is a vegan pre-styling cleanser designed to lift fine or thin hair, creating instant volume, lightweight hydration, and a clean foundation for styling.

This volumizing shampoo is the first step in a grooming routine that primes hair for maximum body and hold. Formulated for men with delicate or thinning strands, the Boost Shampoo cleanses without stripping, helps balance the scalp environment, and leaves hair feeling fuller and easier to style. Use it before styling products like fibers or waxes to amplify lift at the roots and enhance texture from root to tip.

How does this shampoo add volume without weighing hair down?

The Boost Shampoo uses a lightweight, plant-forward formula that cleans excess oil and buildup while depositing subtle conditioning ingredients. Instead of heavy silicones or waxes, the formulation focuses on moisture balance and texture support so strands remain buoyant. You’ll get the sensation of fuller-looking hair without residue that flattens styles.

• Gentle surfactants cleanse without over-drying
• Light hydrators leave hair manageable but not heavy
• Designed to rinse clean for natural lift at the roots

Will this help a sensitive or imbalanced scalp?

The shampoo is crafted to support a balanced scalp environment rather than disrupt it. Ingredients are selected to gently remove buildup and maintain the scalp’s natural microbiome, making hair easier to style and less prone to feeling greasy quickly. Regular cleansing with this product helps create a healthier base for hair growth and styling.

• Formulation targets a balanced scalp microbiome
• Removes oil and product residue that can clog follicles
• Gentle enough for routine use without irritation

How should I use Boost Shampoo to get the best results?

Apply to wet hair, massage a modest amount into the scalp and through the lengths, then rinse thoroughly. For thicker lather or a deeper cleanse, repeat once. Follow with a styling product—such as a texturizing fiber or light pomade—to lock in the added volume and shape your desired look.

• Wet hair thoroughly before applying
• Massage into scalp for root lift, then rinse well
• Pair with a finishing product (e.g., American Crew Fiber) for lasting hold

Is this product suitable for daily use and all hair types?

While optimized for fine and thinning hair, the gentle formula can be used regularly by men who seek added lift and a clean styling base. Those with very dry, coarse, or chemically treated hair may prefer less frequent use or a more hydrating follow-up conditioner. Because it’s vegan and free of heavy build-up agents, it works well as a daily pre-styling step for many grooming routines.

• Ideal for fine, thin, or limp hair needing root volume
• Safe for regular use; adjust frequency for very dry hair
• Vegan formula avoids heavy coating ingredients

Who is this for: AMERICAN CREW Boost Shampoo is for men seeking an effective pre-styling cleanser that produces visible lift and fuller-looking hair without added weight. If you have fine or thinning hair, want a clean canvas for fiber and pomade styling, or prefer a vegan grooming product that supports scalp balance, this shampoo is formulated to become the first step in your daily styling ritual.

Ingredients

Aqua/Water/Eau Ammonium Lauryl Sulfate, Cocamidopropyl Betaine, Parfum (Fragrance), Capryloyl Glycine, Caprylyl Glycol, Citric Acid, Disodium EDTA, Hexylene Glycol, Panthenol, Polyquaternium-10, Quaternium-22, Sodium Chloride, Xylitylglucoside, Phenoxye,thanol, Sodium Benzoate, Citral, Citrus Aurantium Peel Oil, Citrus Limon Peel Oil, Hexamethylindanopyran, Limonene, Linalool, Linalyl Acetate, Tetramethyl Acetyloctahydronaphthalenes. B05162