Medicube’s new rosemary PDRN haricare line added length and fullness after weeks of washing

Your favorite Korean skincare brand just made its move into haircare, and the results are worth talking about.

When Medicube announced its new Rosemary PDRN Purify & Nourish Shampoo and Conditioner Set, I was immediately intrigued. The brand has built a devoted following with skincare products that blend buzzy ingredients with visible results (trust me, I know), so naturally I was curious to see whether that same approach could translate to haircare.

After several weeks of using the shampoo and conditioner consistently, I can confidently say this wasn’t just another trendy formula. My hair looked fuller, felt healthier and appeared noticeably longer.

Medicube Rosemary PDRN Purify & Nourish Shampoo and Conditioner Set

Victoria McDonnell

As someone who is constantly trying to grow out my hair, I know that length isn’t always the issue — breakage is often the real culprit. No matter how much your hair grows, it can seem stuck at the same length if the ends continue snapping off. That’s why the changes I noticed with this duo felt especially significant.

Also significant? The eucalyptus, fresh scent that gently rises from both formulas when you lather and apply into your hair. It’s divine, and I have a new favorite at-home spa day duo when I want to take the “everything shower.”

The experience started strong from the very first wash. The shampoo left my scalp feeling deeply cleansed without making my hair feel stripped or dry. The conditioner delivered softness and hydration while still keeping my hair light and bouncy. Instead of sacrificing volume for moisture, I felt like I was getting both.

A few weeks in, I started noticing that my hair simply looked better. It had more lift at the roots, more fullness through the lengths and a healthier overall appearance. The biggest surprise, though, was the length. My hair looked longer than it had in months. I was seeing less breakage during brushing and styling, which meant I was finally retaining the growth I had been working toward.

Why is PDRN good for your hair

If you’ve spent any time following Korean beauty trends, you’ve probably heard of PDRN. The ingredient has become a skincare favorite thanks to its association with repair and regeneration, and now it’s beginning to appear in haircare formulas as well.

The thinking is simple: healthy hair starts with a healthy scalp. PDRN is often included in products designed to support and nourish the scalp, helping create an environment where hair can thrive. While skincare enthusiasts have been singing its praises for years, seeing it make the jump into haircare feels like a natural next step.

Part of what excited me about Medicube’s launch is that it takes an ingredient people already know and love from skincare and applies it to another area of the beauty routine that deserves just as much attention. After all, why shouldn’t your hair reap the same benefits as your skin?

Why is rosemary good for your hair?

Rosemary has become one of the most talked-about haircare ingredients in recent years and for good reason. It has long been associated with supporting scalp health and maintaining stronger, healthier-looking hair.

In Medicube’s formula, rosemary helps create that refreshing, invigorating feeling that makes your scalp feel genuinely clean after washing. It transforms a basic shower routine into something that feels a little more elevated and intentional.

Combined with PDRN, rosemary helps position this duo as more than just another shampoo and conditioner set. It feels like skincare for your scalp and hair.

It’s worth it, no questions asked

After weeks of washing with the Rosemary PDRN Purify & Nourish Shampoo and Conditioner Set, my hair looked thicker, fuller and longer. Those are three claims that beauty brands make all the time, but rarely do I see all three reflected in my own results.

Medicube may be best known for skincare, but if this launch is any indication, the brand’s expansion into haircare is off to an impressive start.

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This article was written by Victoria McDonnell, New York Post Commerce Journalist & Content Strategist, who has spent countless hours researching, testing hundreds of products and comparing the latest makeup, skincare, hair and beauty items and trends to determine what’s truly worth your hard-earned cash. She evaluates formulas, textures, ingredients and more, in addition to consulting medical and industry experts. Some of Victoria’s latest conquests include testing the best sheet masks on the market, and a rinse-and-repeat review of the best shampoos for all hair types and budgets. Victoria, who received a beauty industry essentials certification from the Fashion Institute of Technology, has been creating shopping guides for the New York Post since 2021 and previously held positions at Insider Reviews and CNN Underscored.