Hawthorne Thick Boost Shampoo for Thinning Hair — 16 fl oz, Sulfate-Free Eucalyptus Mint with Biotin & Rice Protein

Hawthorne Thick Boost Shampoo is a sulfate-free, plant-forward daily shampoo designed to cleanse while helping hair appear fuller and stronger.

If your hair has felt finer, weaker, or less voluminous than it used to, this shampoo combines botanical DHT-supporting ingredients with strengthening proteins and scalp-friendly vitamins to support improved hair texture and manageability. Formulated for daily use, the eucalyptus-mint scent refreshes the scalp without overpowering, and the formula avoids common harsh ingredients like sodium lauryl sulfate, parabens, and silicones.

How does this shampoo help hair look thicker?

The formula targets multiple aspects of hair health: it supports the scalp environment, strengthens existing strands, and adds weightless body to create the appearance of thicker hair. Active botanical extracts and strengthening agents work together to improve texture and reduce limpness.

• Saw palmetto and biotin help support normal DHT balance around follicles.
• Rice protein fortifies thin strands to resist breakage and retain shape.
• Vitamin E nourishes the scalp and helps maintain healthy-looking follicles.
• Sulfate-free surfactants cleanse without stripping natural oils that support volume.

Will it work with my daily grooming routine?

Yes—Thick Boost is designed for everyday use and integrates easily with styling products and conditioners. It rinses clean, leaves no heavy residue, and its scent complements common colognes and grooming fragrances.

• Gentle enough for daily shampooing; maintains natural scalp balance.
• Scented with a crisp eucalyptus-mint inspired by Hawthorne Steamroom cologne.
• Free of silicones, parabens, phthalates, and harsh sulfates for easy layering with other products.
• Comes in a larger 16 fl oz bottle (two-pack available) for fewer refills.

What are the key ingredients and how do they help?

The blend focuses on botanicals and vitamins that support resilient hair and a healthier scalp environment. Ingredients were selected for their roles in strengthening fibers and maintaining a balanced scalp without aggressive detergents.

• Saw palmetto: botanical support associated with scalp health for fuller-looking hair.
• Biotin: a vitamin linked with improved hair strength and reduced breakage.
• Rice protein: adds structure to thin strands to improve body and texture.
• Vitamin E: antioxidant support that helps nourish the scalp and hair follicles.

Is the fragrance and formula suitable for sensitive scalps?

The eucalyptus-mint scent is formulated to be refreshing yet sophisticated, and the overall formula avoids many common irritants. However, as with any fragranced product, those with highly reactive skin should patch-test first.

• Sulfate-free base reduces the risk of overdrying and irritation.
• No parabens, silicones, or phthalates—minimizing unnecessary additives.
• Cruelty-free and vegan formulation for cleaner grooming choices.
• If you have known sensitivities, test behind the ear before regular use.

Who is this for: Hawthorne Thick Boost Shampoo is made for men noticing finer, damaged, or limp hair who want a cleaner, plant-forward shampoo that adds body and strengthens strands. It fits into everyday routines for those seeking a sulfate-free option with botanical support and a refined eucalyptus-mint scent. Ideal for men seeking fuller-looking hair without heavy styling buildup, and for anyone preferring cruelty-free, vegan grooming products in a larger, value-minded size.

Ingredients

Aqua/Water/Eau, Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Parfum/Fragrance, Cocamide MIPA, Sodium Chloride, Aloe Barbadensis Leaf Juice, Aminomethyl Propanol, Biotin, Citric Acid, Ethylhexylglycerin, Glycerin, Glycol Distearate, Guar Hydroxypropyltrimonium Chloride, Humulus Lupulus (Hops) Extract, Hydrolyzed Pea Protein, Hydrolyzed Vegetable Protein, Panthenol, Phenoxyethanol, Polyquaternium-44, Polyquaternium-7, Polysorbate 20, Potassium Sorbate, Rosmarinus Officinalis (Rosemary) Leaf Extract, Rosmarinus Officinalis (Rosemary) Leaf Oil, Serenoa Serrulata (Saw Palmetto) Fruit Extract, Sodium Benzoate, Sodium Gluconate