Welcome to Meishai

Meishai is a Danish haircare brand where high-performance haircare meets the high standards of the Asthma Allergy Nordic certification. Meishai was founded by Danish hairdresser Katja Rosasco, who combines over 15 years of professional experience in the hair industry with a lifelong challenge with allergies.

Meishai is fragrance-free, allergy-friendly haircare, carefully formulated without unwanted chemicals that may affect our health or surroundings. We are proud to offer perfume-free, allergy-safe haircare, without compromising on quality, aesthetics, or performance.

To reduce our plastic consumption, we use 500 ml bottles. It’s a natural choice - haircare is something most of us use regularly. Our customers choose larger bottles to help us reduce overall plastic use. And when plastic packaging isn’t necessary, we choose glass - a more conscious and holistic choice that reflects our overall approach.

We’ve chosen to do things differently - and we look forward to bringing you along on the journey.

What others say

Trusted by customers & professionals

★★★★★

"Meishai blends salon-quality haircare with allergy-safe formulations. Certified by Asthma Allergy Nordic, Meishai proves that luxury and safety can co-exist seamlessly."

Forbes Magazine

Press

★★★★★

"I have never experienced a haircare series that brings out the absolute best in my hair — while making it feel like it's my hair that is naturally good. It's wonderful that Meishai — so simple and pure — can make me feel that I am perfect, just the way I am."

Julie Serrano

Owner, Lab12 — Vesterbro, Copenhagen

★★★★★

"Finally a product that is allergy-friendly without compromising on quality and care. I always felt I had to give up my wish for beautiful hair when choosing allergy-safe products. With Meishai, I feel both wishes are united. I had not expected the products to perform this well."

Naja Kim

Hair Artist, Owner of Naja Kim

★★★★★

"When I first tried the shampoo I was a bit skeptical as it didn't lather as much as I was used to. However, after using it for a few weeks — I discovered the magical effect of the product. My scalp and hair felt reborn. It was a fresh and natural feeling I had not experienced before."

Tanja Isabel

Owner, Salon Tanja Isabel

★★★★★

"After I started using Meishai Treatment, I feel that the number of good hair days has increased significantly."

Marie Alkestrup

Beauty Editor, Costume Magazine

★★★★★

"Without a doubt — the best thing for both my hair, my body and conscience! Pure and simple."

Sanne Mia Højmose

Verified customer

★★★★★

"These products are absolutely fantastic! My hair has never felt so soft, while staying clean for so long. Meishai is a game-changer and I would highly recommend it!"

Camilla C.

Verified customer

★★★★★

"Amazing products! Will definitely buy again. The shampoo is great and the conditioner is a perfect consistency and super hydrating and moisturizing. My hair is so soft and clean. Love it."

Pernille Søndergaard

Verified customer

★★★★★

"I love the shampoo and especially the conditioner. I can brush my hair easily and do not need any products to tame it. Both products have a nice texture and a natural smell. Big plus: the bottles look stylish in my bathroom, like in a spa or a nice hotel."

Andrea Bruchwitz

Verified customer

  • Graded A-Kolben by Kemiluppen

    All Meishai products carry the A-Kolben rating from Danish Kemiluppen by Forbrugerrådet Tænk. As the highest possible rating, A-Kolben reflects our commitment to creating safe and thoughtful hair care - free from unwanted chemicals that may impact both our health and the environment.

  • Asthma Allergy Nordic certified

    Asthma Allergy Nordic is one of the most difficult certifications to obtain, as it sets the strictest requirements for a product's ingredient list. It is a non-profit organization and a collaboration between the Nordic countries for a common certification. This certification is beneficial for individuals with asthma, allergies, and sensitive skin, as well as for anyone looking to prevent future allergies.

What to expect

Meishai is not a quick fix. It is the opposite.

When you first start using Meishai, your scalp needs time to find its natural balance. If your hair feels heavy or not quite clean in the beginning, that is completely normal — and a sign that something real is happening. Always wash twice and follow our how-to guide. It makes all the difference.

For every hair type

Thick, fine, curly, straight, colour-treated. Meishai works for every hair type — and for every member of the family. The nourishment is there. The quality is there. What is not there is everything that does not need to be. And that is precisely what makes the difference.

What you get in return

After the adjustment period, most people find they can go longer between washes. Hair feels more nourished, more balanced — and oil production decreases naturally. Your scalp stops overcompensating and starts doing exactly what it was always meant to do. Your hair finds its way back to balance. That is the Meishai moment.

"You will experience your hair in a completely new way."