These serums are formulated to support a healthy scalp environment by balancing its microbiome. They often contain prebiotics, probiotics, and postbiotics to nourish beneficial bacteria.
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Real data showing search growth, social buzz, and consumer demand signals.
Google Trends (12 Months)
Highbrow Hippie
The Duchess of Sussex, a global figure with significant influence in the US, is known for her advocacy and strategic investments. In late 2024, she invested in the Black-owned wellness brand Highbrow Hippie, co-founded by her longtime hair colorist, Kadi Lee. This move highlights her commitment to supporting female founders and amplifying brands with a holistic approach to beauty.
LolaVie
An actress, producer, and founder of the hair care line LolaVie, Jennifer Aniston is a perennial beauty icon whose hair has influenced trends for decades. She launched her brand in 2021, focusing on science-backed, naturally-derived formulas. In early 2026, her brand released a product specifically targeting scalp health, born from her own needs and conversations with friends about hair changes.
Sienna Naturals
As an actress, writer, producer, and co-founder of Sienna Naturals, Issa Rae is a powerful voice in both entertainment and beauty. She and co-founder Hannah Diop have centered their brand on providing clean, plant-based hair care for textured hair, emphasizing scalp health as the foundation for healthy hair. In early 2025, the brand celebrated a major milestone by launching in Sephora stores nationwide, making their scalp-focused products more accessible.
Current bestsellers and viral hits defining the consumer expectation.
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These brands are driving demand and shaping what consumers want to buy.
MARKET LEADER
Act+Acre's Microbiome Cooling Scalp Serum is a daily leave-in treatment designed to provide immediate relief for dry, itchy scalps while promoting long-term scalp health. It features the brand's proprietary Amino M³ Complex™, a blend of clinically-validated ingredients proven to balance the scalp's microbiota and reduce itchiness. The inclusion of 0.25% Peppermint Oil offers an instant cooling sensation, while 1.5% Fireweed Extract helps to clear away loose flakes. By fostering a healthy scalp microbiome, the serum strengthens the scalp's natural defense against sensitivity and irritation. This lightweight, non-greasy formula is designed for daily use on a clean scalp to maintain a balanced and soothed environment.
Key Product: Microbiome Cooling Scalp Serum
MARKET LEADER
The Nue Co.'s Supa Thick Scalp Serum is a potent, serum-based formula engineered to address hair thinning and shedding by focusing on the health of the scalp. It uniquely incorporates prebiotics, probiotics, and postbiotics to rebalance the scalp microbiome, which helps to soothe sensitivity and reduce dandruff. The formula also features patented follicle technology to support new hair growth, alongside circulation-boosting ingredients like Rosemary Leaf Oil. By removing product buildup and protecting the hair follicles, this serum creates an optimal environment for thicker, healthier hair to thrive.
Key Product: Supa Thick Scalp Serum
MARKET LEADER
Developed by a dermatologist, the rhute Density & Repair Scalp Serum is a dual-action treatment that works to repair the scalp's skin barrier and support hair growth. A key aspect of its formulation is the focus on balancing the scalp microbiome, utilizing ingredients like Salicylic Acid and Postbiotic Ferments to gently exfoliate and reduce inflammation, leading to fewer flakes and balanced oil production. The serum is packed with 16 active ingredients, including caffeine, bioactive peptides, and stem cell extracts, to target various stages of the hair cycle. This comprehensive approach not only stimulates the follicles but also strengthens the scalp's foundation for healthier hair.
Key Product: Density & Repair Scalp Serum
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