Hair Care

medicube Rosemary PDRN Scalp Set — K-Beauty Comes for Your Hair

Aerely
Aerely Chacon
March 15, 2026 · 7 min read
medicube Rosemary PDRN Scalp-to-Hair Strengthening Set

K-beauty conquered skincare. Now it's coming for your hair. medicube — the brand behind the viral toner pads and glass glow sets — launched a full scalp care line with their signature ingredient: PDRN (Polydeoxyribonucleotide), the salmon DNA extract that's been trending in Korean skincare for its regenerative properties.

I tested the full 3-step set for 6 weeks on my hair (fine, prone to oiliness at the roots, dry at the ends). Here's whether the skincare-for-your-scalp approach actually translates.

The 3-Step System

ProductKey IngredientsPurpose
ShampooRosemary oil, PDRN, amino acidsCleanses scalp without stripping; stimulates circulation
ConditionerPDRN, panthenol, hydrolyzed keratinStrengthens hair shaft; reduces breakage
Scalp SerumPDRN, rosemary extract, caffeine, niacinamideNourishes follicles; reduces flaking; promotes thickness

Rosemary oil has solid clinical backing for hair growth — a 2015 study published in SKINmed Journal showed rosemary oil performed comparably to 2% minoxidil after 6 months, with less scalp irritation. medicube combines it with PDRN, which has been shown in dermatological studies to promote cell regeneration and wound healing. The theory is: if PDRN can regenerate skin cells, it can support hair follicle health too.

6-Week Results

1
Week 1-2: Scalp Reset
The shampoo has a cooling, tingly sensation from the rosemary and menthol. My scalp felt cleaner than with my usual shampoo — less oily by end of day. The scent is herbal and fresh, not perfumey.
2
Week 3-4: Texture Changes
Hair felt stronger in the shower — less breakage when detangling. The ends were less dry without being weighed down. The scalp serum was the standout — it absorbs fast and doesn't make roots greasy.
3
Week 5-6: Volume
Noticeable improvement in root volume and body. My hair looked thicker — not because it grew faster, but because less was falling out and existing strands were stronger. Scalp flaking was significantly reduced.

The Rating

★★★★☆
4.0 / 5
Overall Rating
4.5
Scalp Health
4.0
Hair Texture
3.5
Value
What I Loved
Full 3-step system covers cleanse, condition, and treatment
Rosemary oil has legitimate clinical backing for hair growth
PDRN is an innovative ingredient for scalp health
Cooling sensation feels great — like a scalp spa treatment
Reduced oiliness at roots without drying ends
Less hair fall in the shower drain within 3 weeks
What Could Be Better
Three products means a higher total investment
Results require consistent daily use for 4-6+ weeks
The scalp serum has a slightly medicinal smell
Not a replacement for medical hair loss treatments (minoxidil, finasteride)
Hair growth claims are harder to verify than skin claims

How to Use It

  1. Shampoo: Wet hair thoroughly. Apply to scalp (not lengths) and massage for 2-3 minutes to let the rosemary and PDRN penetrate. The tingle means it's working. Rinse.
  2. Conditioner: Apply mid-lengths to ends only. Leave for 2-3 minutes. Rinse with cool water to seal the cuticle.
  3. Scalp Serum: Apply to towel-dried hair directly on the scalp. Part your hair in sections and use the dropper applicator. Massage in with fingertips for 60 seconds. Do NOT rinse out. Style as normal.
Who Is This For?

Best for: Anyone noticing thinning, increased hair fall, or reduced volume. Oily scalp with dry ends. Flaky or irritated scalp. People who want to address hair concerns before they become serious enough for medical treatment.

Skip if: You have significant hair loss — see a dermatologist first. This is a maintenance and prevention product, not a medical treatment. Also skip if you're sensitive to menthol or rosemary — the cooling effect might irritate.

The Verdict

The medicube Rosemary PDRN Scalp Set is the most thoughtful K-beauty hair care system I've tried. It's not going to regrow a receding hairline, but for strengthening, thickening, and maintaining healthy hair and scalp, the ingredient science is genuinely impressive. The scalp serum alone is worth trying.

Ready to try it?

Shop medicube Rosemary PDRN Scalp-to-Hair Strengthening Set

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