California Naturals Re:GRO Anti-Thinning Shampoo & Conditioner Set 20 fl oz – Biotin, Caffeine & Rosemary for Fuller-Looking Hair

California Naturals Re:GRO Shampoo & Conditioner is a sulfate- and paraben-free two-step system formulated with biotin, caffeine, rosemary oil and nourishing botanicals to reduce breakage and support fuller-looking hair over time.

Designed for people noticing thinning, breakage, or weaker strands, this paired shampoo and conditioner focuses on scalp and strand care. Each 20 fl oz bottle combines active ingredients—biotin, caffeine, zinc, saw palmetto, argan and castor oils—with probiotics and a natural rosemary-eucalyptus-basil scent to cleanse, strengthen and hydrate without silicones or harsh sulfates. The duo aims to improve hair resilience when used consistently as part of a regular routine.

How do the shampoo and conditioner work together to address thinning hair?

The Re:GRO system uses complementary formulas: the shampoo cleanses impurities and preps the scalp, while the conditioner delivers moisture and strengthening lipids to the shaft. Ingredients were selected to target common causes of breakage—fragile cuticles, dry strands and an imbalanced scalp environment—without weighing hair down.

• Shampoo: gentle cleansing base removes buildup and flakes while delivering caffeine and rosemary to the scalp.
• Conditioner: argan and castor oils restore moisture, reduce friction and smooth the hair surface.
• Both: biotin and zinc provide structural support for finer, brittle hair.

What active ingredients should I expect and what do they do?

The formula combines vitamins, botanical extracts and minerals chosen for scalp health and strand integrity. Each component plays a targeted role: some energize and balance the scalp, others repair and protect the hair fiber.

• Biotin: supports stronger, more resilient strands and reduces breakage during styling.
• Caffeine & rosemary oil: invigorate the scalp and enhance circulation-like effects that help maintain healthy-looking follicles.
• Zinc & probiotics: help balance scalp oiliness and minimize flaking for a clearer foundation.
• Saw palmetto: included to help address hormonal-related thinning factors in formulations.

Is this safe for color-treated or daily use, and what is the scent like?

Yes—formulated without sulfates, parabens, silicones and phthalates, the Re:GRO pair is suitable for routine use and safe on color-treated hair. The fragrance profile is naturally derived, blending rosemary, eucalyptus and basil for a fresh, herbal aroma that avoids synthetic heaviness.

• Color-safe: gentle surfactants reduce risk of premature fading compared with harsh sulfates.
• Daily-friendly: lightweight conditioning agents permit frequent washing without buildup.
• Natural scent: botanical aroma offers a crisp, spa-like experience without synthetic perfumes.

How should I use the duo for best results?

Use the shampoo to fully cleanse the scalp, rinse, then apply conditioner focusing on mid-lengths to ends. Leave the conditioner in for 1–3 minutes before rinsing for optimal softening and detangling, and repeat 2–3 times weekly or as needed for best appearance and manageability.

• Step 1: Massage shampoo into wet scalp for 60–90 seconds, then rinse thoroughly.
• Step 2: Apply conditioner from mid-shaft to ends; wait 1–3 minutes before rinsing.
• Step 3: For thicker conditioning, use as an overnight treatment once weekly.

Who is this for: California Naturals Re:GRO is made for adults seeking to strengthen fragile hair, reduce breakage and improve scalp condition—people experiencing diffuse thinning, postpartum shedding, brittle strands or anyone looking to add targeted, botanical-forward support to their cleansing routine. The vegan, cruelty-free, Leaping Bunny certified formula is suitable for all hair types, including chemically treated hair, and is produced by a woman-led brand in California. If you want a plant-forward, B Corp-aligned option that prioritizes scalp balance and hair resilience without harsh additives, this set is formulated for that purpose.

Ingredients

Castor Oil