Best Growth Hair Serums of 2025

The Growth Booster Scalp Serum by L'Oreal Paris is designed to combat hair loss and thinning. It features a unique Growth & Strength Complex that includes Aminexil, Niacinamide, and Ginger Extract, helping to reinforce hair fibres and extend their life cycle. Many users have reported noticeable results, with 78% agreeing that it reduces hair loss for visibly denser hair. For best results, apply the serum daily after using the accompanying shampoo and conditioner, targeting the scalp directly without rinsing out.

The Grow Gorgeous Hair Serum is an ultra-concentrated formula designed to enhance the thickness of each hair strand. It features larch tree and green tea, which work to revitalise your scalp, promoting a healthier environment for hair growth. This unique complex of active ingredients specifically targets fine and thinning hair, making it an ideal choice for those seeking to improve their hair's overall appearance. With consistent use, you may notice fuller, more vibrant locks.

The ThrivingAura Hair Serum is designed to enhance your hair's health with its powerful multi-peptide complex, giving your hair a denser and fuller appearance. It penetrates deep into hair follicles, promoting stronger and thicker strands for a robust look. This lightweight, water-based formula nourishes your hair without leaving it greasy, ensuring a healthy shine. Easy to use, simply apply a few drops to your scalp before bedtime and massage it in. Best of all, it works effectively for all hair types, making it a versatile addition to your hair care routine.

The Equitack Hair Growth Serum offers a clinically proven formula designed for fine and thinning hair. This nutrient-rich serum helps to strengthen and nourish your strands, promoting healthier hair overall. With skincare-inspired ingredients, it nurtures your scalp, creating an ideal environment for hair growth. You will enjoy the benefit of fuller, thicker-looking hair, giving you more confidence in your appearance.

The Nanogen Hair Growth Serum is ideal for anyone facing hair loss or thinning hair. It is scientifically formulated to align with your natural hair growth cycle, promoting healthier hair over time. With the highest concentration of Nanogen's 'Growth Factor' ingredients, including Pea Sprout Extract, Larix Bark, and Peptides, you can expect significant improvements in hair growth and strength. This serum is easy to use, providing a moisturised and soothed scalp, making it suitable even for the most sensitive skin.

The Lee Stafford Hair Growth Serum is designed to nourish dry, brittle hair, promoting longer and stronger strands. It creates a healthier scalp environment, which is essential for natural hair growth. This silky serum strengthens each strand, helping your hair reach its full potential while adding much-needed fullness and volume. With regular use, you can expect silky smooth hair that looks and feels significantly fuller.

The INKEY List Hair Serum is an effective overnight treatment designed to combat hair loss. It features 1% caffeine powder, which stimulates your scalp and hair follicles, promoting hair growth. Additionally, 1% Redensyl enhances hair growth while reducing hair loss, making it a powerful ally in your hair care routine. With 1% Betaine included, it conditions your hair, leaving it soft and healthy. Suitable for all hair types, this cruelty-free and fragrance-free formula is an excellent choice for anyone looking to improve their hair's thickness and vitality.

The Solution Scalp Serum is designed to nourish your scalp and promote healthy hair growth. Infused with Rosemary Oil, it helps to strengthen the scalp’s moisture barrier while addressing menopausal hair thinning. The unique M:PAUSE Hair Complex contains Procapil, which works to prevent hair loss, alongside hydrating Squalane and a Seaweed Complex for optimal scalp health. With its simple no-rinse formula, you can easily apply a few drops daily to boost circulation and enhance your hair's volume without the need for rinsing.

The Camille Rose Growth Serum is designed to promote thick and healthy hair. It effectively repairs hair loss caused by thinning, breakage, and damage, helping you achieve fuller locks. You will also benefit from its moisture-retaining properties, which keep both your hair and scalp hydrated. Additionally, this serum improves blood circulation by conditioning the scalp, which in turn opens blocked hair follicles, encouraging new growth.

The Grow Gorgeous Hair Serum is designed to revitalise your hair with its powerful blend of ingredients. Caffeine stimulates your hair roots, giving them a much-needed boost for improved growth. Hyaluronic Acid works to smooth and moisturise your hair, ensuring a silky soft finish. Additionally, Organic Pea Sprout Extract plays a crucial role in restoring vitality, promoting thicker and denser-looking hair. With this serum, you can enjoy healthier, more vibrant locks.