Protein Shampoo for hair growth and thickness are specially formulated shampoos that combine strengthening proteins with growth-supporting ingredients to help fortify hair from root to tip, reduce breakage, and improve overall volume and fullness. These shampoos not only cleanse the scalp and strands but also replenish lost proteins that hair needs to stay strong, resilient, and appear thicker over time — making them ideal for thinning, fine, or damage-prone hair types.
Protein Shampoo for hair growth and thickness
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Biotin & Rosemary Shampoo for Hair Growth
Biotin & Rosemary Shampoo for Hair Growth by RootStim is a sulfate-free hair loss shampoo specially formulated for thinning hair and overall scalp health. Enriched with nutrient-rich ingredients such as biotin, rosemary, aloe vera, tea tree oil, ginger root, saw palmetto, caffeine, argan oil, and He Shou Wu, this shampoo helps create the ideal environment for healthier hair growth. Its gentle formula makes it suitable for sensitive scalps while effectively cleansing without stripping away natural oils.
The shampoo works by soothing and balancing the scalp, which is essential for strong and healthy hair. Ginger root and tea tree oil help reduce itchiness, flaking, and irritation, promoting a clean and refreshed scalp that supports hair growth. Regular use can help maintain scalp balance and improve overall scalp comfort, though a patch test is recommended before first use.
Biotin and rosemary play a key role in strengthening hair roots and improving hair thickness. These ingredients help reduce hair breakage and may support reduced hair loss over time, making the shampoo ideal for thin, weak, or damaged hair. With consistent use, hair can appear fuller, stronger, and healthier.
In addition to supporting growth and thickness, aloe vera and argan oil deeply nourish and moisturize the hair, leaving it soft, smooth, and shiny. To prevent dryness and achieve the best results, it is recommended to follow with a conditioner. RootStim is committed to using high-quality, effective ingredients, ensuring a hair care solution that supports thicker, vibrant hair while remaining gentle on both your hair and the environment.
Kitsch Rice Water Protein Solid Shampoo
Kitsch Rice Water Protein Solid Shampoo and Conditioner Set for Hair Growth is a strengthening, eco-friendly hair care duo designed to nourish, repair, and improve overall hair health. Formulated with rice water protein, amino acids, and vitamins B, C, and E, this solid shampoo and conditioner set helps strengthen hair from root to tip while restoring moisture and smoothness. Inspired by the traditional use of rice water for hair care, it supports healthier-looking, stronger, and more resilient hair with regular use.
Using both the shampoo and conditioner together provides a complete hair care system that gently cleanses while deeply conditioning the hair. This balanced formula helps reduce breakage, prevent split ends, and restore natural shine, leaving hair feeling softer and more manageable. The protein-rich ingredients work to repair damage and improve hair texture, making it a salon-quality solution for everyday hair care.
Suitable for all hair types and textures, this pH-balanced formula is sulfate-free, paraben-free, silicone-free, and color-safe, making it gentle enough for daily use. Whether used by women or men, the versatile solid bars deliver effective hydration and strengthening benefits without weighing hair down.
In addition to its performance, the Kitsch Rice Water Protein Solid Shampoo and Conditioner Set is designed with sustainability in mind. Each solid bar helps eliminate the need for multiple plastic bottles, reducing single-use waste, and its compact, lightweight form makes it ideal for travel. Beautifully packaged and thoughtfully crafted, this set also makes a perfect self-care or gift option for anyone seeking effective, environmentally friendly hair care that boosts strength, shine, and overall hair vitality.
OUAI Thick Hair Shampoo
OUAI Thick Hair Shampoo Set is a sulfate-free, color-safe hair care duo specially formulated to meet the needs of thick, dry, and frizz-prone hair. Designed to deeply moisturize without weighing hair down, this shampoo and conditioner set helps quench dry strands while maintaining natural volume and movement. It gently cleanses and nourishes, making it ideal for everyday use and for those who want smooth, manageable hair with a healthy feel.
This duo works effectively to fight frizz and smooth rough cuticles and split ends, leaving hair softer, sleeker, and easier to style. Whether air-drying or heat styling, the formula helps improve hair texture and control, reducing flyaways and enhancing overall smoothness. With consistent use, thick hair becomes more manageable, polished, and visibly healthier.
The formula is powered by nourishing ingredients such as marshmallow root, shea butter, keratin, and avocado oil. These ingredients help strengthen hair, reduce breakage, restore moisture, and bring back natural bounce and elasticity. Keratin supports hair structure, while shea butter and avocado oil provide deep hydration and softness.
Free from sulfates, parabens, phthalates, and gluten, this cruelty-free shampoo and conditioner set delivers salon-quality results with a signature luxury scent. OUAI focuses on creating hair care products that are both effective and easy to use, encouraging confidence and effortless style so you can enjoy healthy, beautiful hair wherever life takes you.
Castor Oil Shampoo
Castor Oil Shampoo and Conditioner Set by First Botany is a sulfate-free anti–hair loss and thickening hair care solution designed to support hair regrowth and reduce thinning for both men and women. Formulated with nourishing castor oil, this set gently cleanses the scalp while promoting stronger, fuller-looking hair. The shampoo removes impurities without stripping natural moisture, while peppermint oil soothes the scalp and leaves hair feeling refreshed, clean, and naturally shiny.
The conditioner delivers deep, revitalizing hydration using a powerful blend of castor oil, rosemary, and peppermint oils, along with shea butter and avocado oil. This rich botanical formula deeply conditions the hair, helping to restore softness, improve manageability, and reduce dryness and breakage. With regular use, hair feels smoother, healthier, and more resilient, with a noticeable improvement in texture and thickness.
Designed for gentle yet effective cleansing, this sulfate- and paraben-free formula uses essential oils and botanical extracts such as rosemary and chamomile to support scalp health and combat dandruff. It is suitable for all hair types, including curly and color-treated hair, and is cruelty-free, making it a safe and ethical choice for daily hair care.
Enhanced with vitamin-rich ingredients like panthenol, tocopheryl acetate (vitamin E), and hydrolyzed keratin, the formula helps strengthen hair, lock in moisture, and fight frizz. The invigorating rosemary and peppermint scent makes each wash refreshing and energizing, turning your daily routine into a revitalizing hair care experience while supporting healthier, thicker, and more manageable hair.
Viviscal Thickening Shampoo
Viviscal Thickening Shampoo is a nourishing and strengthening formula specially designed for thin and fine hair that needs added volume and resilience. It gently cleanses the hair and scalp while helping hair appear thicker, fuller, and healthier with reduced breakage. Suitable for everyday use, this shampoo supports overall hair vitality without weighing hair down, making it ideal for those experiencing thinning or weak strands.
The formula is enriched with a proprietary complex that includes marine collagen, seaweed extract, biotin, and keratin. These powerful ingredients work together to strengthen the hair fiber, improve elasticity, and support the appearance of fuller hair. Marine collagen and seaweed help nourish and fortify strands, while biotin and keratin reinforce hair structure and reduce breakage.
Viviscal Thickening Shampoo also features a light, floral-fresh signature fragrance with notes of lush greens, dewy florals, and a refreshing ocean breeze, making each wash a pleasant experience. Designed for all hair types but especially beneficial for thin hair, it leaves hair feeling clean, soft, and revitalized.
For best results, the shampoo is recommended to be used alongside the Viviscal Strengthening Conditioner. Together, they help enhance volume, improve hair strength, and maintain healthier-looking hair with consistent use.