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Does your scalp need targeted attention?
This rosemary serum is made for exactly that.

A few drops on the temples, the part, the crown. You massage it in. It stays there for hours, no rinsing. Right where you need it. Nowhere else.

✓  Applies exactly where you need it ✓  Stays on the scalp for hours ✓  Lightweight rosemary formula, no greasy residue 100% plant-based rosemary · Without harsh sulfates

Your free bottle(s) are automatically added to your cart at $0.

Try it for 60 days. If you don't love how your scalp feels or how your hair looks, we'll give you a full refund, no questions asked.

Product details
  • Targeted roll-on scalp serum: designed for areas that look sparse.
  • Lightweight, non-greasy formula that absorbs quickly.
  • Soothes and hydrates the scalp for everyday comfort.
  • Without sulfates or silicones; safe for color-treated hair, non-drying, and suitable for daily use on all hair types.
  • Precision roll-on applicator for easy, mess-free use.
  • Gentle enough for daily use and for color-treated hair.
  • Responsibly made: vegan, cruelty-free, and formulated without parabens or artificial dyes.

Shipping and returns

We process all orders within 24 hours.

Typical delivery time 2 to 7 days.

A tracking number is emailed to you as soon as your order ships.

60-Day Money-Back Guarantee

Try it in your routine. If you're not satisfied, return it within 60 days for a full refund.

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The problem

Why do ordinary hair care products never reach the areas that need them most?

The widening part. The thinning temples. The crown that's lost its density. These specific areas need a treatment that stays in place, not a product that washes away.

  • A shampoo rinses away in 60 seconds
    The contact time is too short for the active ingredients to work deeply on the scalp.
  • Problem areas are specific
    Temples, part, crown. They call for targeted application, not a uniform treatment across the whole head of hair.
  • A treatment that stays put actually works
    With no rinsing, the rosemary and active ingredients have hours to work directly at the root.
Targeted rosemary scalp treatment

How it works A simple treatment that takes 30 seconds

For the spots other products can't reach

Step 1 · TARGETED APPLICATION

Apply a few drops directly to the areas you're concerned about: temples, part, crown. No need to put it everywhere, just where it counts.

Step 2 · IT WORKS FOR HOURS

Massage gently. The serum stays on your scalp, no rinsing. The rosemary has time to penetrate and nourish while you go about your day or overnight.

Result: hair that looks fuller, healthier, and more resilient over time, with no heavy residue.

Real talk

What’s inside?

Harsh cleansers, heavy coatings, and messy routines don’t help a sensitive scalp thrive.

Rosemary Extract

Supports scalp comfort and freshness.

Biotin Complex

Helps hair look stronger and healthier.

Caffeine

commonly used in scalp care for revitalizing feel

The Rosemary Roll-On Serum gives you the results — without the mess, irritation, or chemicals.

THIS SERUM IS FOR YOU IF:

Rosemary scalp serum bottle with natural ingredients

Your thinning is always in the same spot

Your part has been getting wider for years

Your temples are receding

You've tried shampoos and it's not enough

You want a treatment that works ALL day

This isn't for everyone. It's for the people who have one specific area that just won't come back.

Your complete routine

The shampoo cleanses and nourishes. The serum targets and extends. Together, your follicles get rosemary 7 days a week.

Célestine Shampoo and Precision Hair Serum side by side

On wash days

Use the rosemary shampoo as usual. It cleanses the scalp, nourishes the root, and sets the stage for the serum.

On the days between washes

Apply the serum directly to the areas you're concerned about. It stays in place for hours, no rinsing. Your follicles keep getting rosemary even on the days you don't wash your hair.

Result: rosemary 7 days a week

No day wasted. The shampoo does its job on wash days. The serum takes over in between. Your fragile areas are never left without care again.

60-Day Thicker Hair Guarantee

We stand behind every bottle. Try it for 60 days — if you’re not impressed by how refreshed your scalp feels or how healthy your hair looks, we’ll refund every cent. No questions asked.

To request a refund, simply email info@officialcelestine.com within 60 days of delivery.

Results may vary. Guarantee covers product satisfaction, not specific cosmetic outcomes.

Frequently asked questions

Yes. It's sulfate-free, lightly scented, and dermatologically tested.
It helps reduce breakage and create a healthier scalp environment, allowing hair to look fuller.
3 to 5 times a week, depending on sebum buildup.
Yes. The roll-on applicator is designed for precise, targeted application.
You're covered by our 60-day thicker hair guarantee.

Disclaimer: This product is a cosmetic formulated to cleanse and improve the appearance of hair. It is not intended to diagnose, treat, cure, or prevent any disease or hair loss condition. These statements have not been evaluated by the U.S. Food and Drug Administration (FDA).