medicube Scalp Serum with Rosemary PDRN | Non-Greasy, Lightweight Serum for Thicker, Fuller, Denser-Looking Hair | Scalp Treatment for Flake-Prone Scalp, Soothing | Korean Hair Care, 20ml
Compiled by The Medicube Picks editorial team · how we rank · product data refreshed 2 August 2026
★4.4 / 5 ★★★★☆ 449 ratings
5K+ bought #3 in Scalp Treatments Amazon, 2026-08-01
Quick verdict A well-liked, 4.4-star serum built around salmon DNA PDRN. Best for glow.
$18.90$21.90-14%
Amazon price on 2026-08-02 · In Stock. Prices change often, check Amazon for today's price.
Check price on Amazon → Overview
The hero ingredient is salmon DNA PDRN, and you use it as a targeted treatment step. With a strong 4.4 out of 5 from 449 ratings, it is a well-liked pick. It is one of the gentler options in the range, so it suits most skin types including sensitive skin.
Pros
- Well-rated at 4.4/5 across 449 reviews
- Built around salmon DNA PDRN, a genuinely on-trend active
- Gentle enough for daily use on most skin types
Cons
- Priced above the cheapest options in the range
- As a food-and-cosmetic product, results vary from person to person
At a glance
| Type | Body, Hair & Scalp |
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| Key ingredient | salmon DNA PDRN |
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| Format | serum |
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| Size | 20ml |
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| Routine step | Treatment (serum step) |
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| Best for skin type | Dry, Combination, Normal |
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| Sensitive-skin friendly | Yes, one of the gentler picks |
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| Rating | 4.4 / 5 from 449 ratings |
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What buyers actually say
We read a sample of the Amazon reviews for this product and describe the pattern in our own words. It is a sample, not a survey of all 449 ratings, and we do not reproduce customer reviews.
The applicator does much of the selling in our sample. Reviewers like the roller tip for parting hair and reaching the scalp and hairline without mess, describe a light minty tingle, and repeatedly note that it leaves hair non-greasy. Several also dab it on brows. Reports of visible change are early and cautious: fine new hairs along the front hairline, a stylist remarking on thickness, hair that simply feels softer. Volume is the sore point. More than one reviewer says the tube is too small for daily use and empties within weeks, which is what turns an otherwise liked product into a repurchase they hesitate over.
Praised for
- Roller applicator reaches the scalp cleanly and feels like a massage
- Non-greasy formula that does not weigh hair down
- Cooling, lightly minty sensation on the scalp
- Early reports of new growth at the hairline and brows
Criticised for
- Tube too small for daily use
- Price hard to justify at that volume
- Results slow and hard to attribute
How the ratings break down
Amazon's own star distribution for this product, read on 2026-08-02. We show the one-star share too, because an average alone hides it.
5 star 75%
4 star 9%
3 star 8%
2 star 4%
1 star 4%
What is salmon DNA PDRN?
PDRN (polydeoxyribonucleotide) is a soothing, skin-conditioning ingredient derived from salmon DNA, used to support the barrier and give a plumper, glowier look.
Key features
- [TRIPLE-ACTIVE SCALP CARE COMPLEX] Formulated with Rosemary, PDRN, and EGF to help soothe and condition str…
- [TARGETED SCALP CARE WITH SPICULES] Ultra-fine spicules help ingredients apply more evenly, enhancing the s…
- [NON-GREASY, LIGHTWEIGHT QUICK SCALP CARE] Fast-absorbing formula that quickly cools down the scalp and soo…
- [COOLING SCALP CARE WITH GUA SHA APPLICATOR] A concentrated scalp serum featuring a mini gua sha - style appl…
- [HOW TO USE] After shampooing, lightly towel-dry hair to remove excess water.
Frequently asked questions
Is the medicube Scalp Serum with Rosemary PDRN good for sensitive skin?
Yes, it is one of the gentler options in the range and suits most skin types, including sensitive skin. As always, patch test first.
How do you use the medicube Scalp Serum with Rosemary PDRN ?
Use it after toner, before moisturizer. Follow the directions on the pack, and always finish your morning routine with sunscreen.
Is the medicube Scalp Serum with Rosemary PDRN worth it?
It is a solid, affordable option rated 4.4 out of 5. Worth it if its job matches your main concern, though it is not the single most-loved product in the range.
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