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Our story

At MUMUK, we’re here to make high-quality, regenerative skincare more accessible.

Growth factors (the holy grail of skincare) have been reversing signs of aging since 1999. They work. That’s not up for debate. But they’ll cost you a small fortune. That’s the part we’re fixing. Our growth factor-powered peptide serum delivers visible results at a fair price, without all the industry BS.

We’re bringing you a research-backed formulation that works on a cellular level. Mumuk uses bio-engineered synthetic human growth factors (the same type your skin naturally produces) to repair, restore, and regenerate.

No harsh ingredients. No fluff. No filler. Just the good stuff that can take years
off your skin, at a price that makes sense.

Stephanie and her mother

Our origin

"MUMUK" means "original mother" in a Bornean indigenous dialect — the birthplace of our founder, Stephanie. Just as cells are the foundation of life, mother represents the beginning of everything. After three years of dedicated research and refinement, Stephanie is excited to introduce MUMUK’s transformative regenerative serum to the world.

Stephanie Sprayregen

A note from our founder

“Aging doesn’t have to be something to fear. When we support your skin’s natural ability to regenerate, we’re not chasing youth; we’re embracing renewal at every stage of life.”

The ‘no’ list

MUMUK products are scientifically formulated in Switzerland with the highest-quality ingredients, potent clean actives, and responsibly sourced raw materials. Our regenerative complex delivers visible results – free from parabens, sulfates, phthalates, PEGs, synthetic fragrances, and gluten. See the full no-no list.

  • Benzalkonium chloride
  • Oxybenzone
  • Triclocarban
  • Triclosan
  • Diaminobenzene
  • Formaldehyde
  • Hydroquinone
  • Nanoparticle
  • Benzophenone 1,2,3
  • Palm oil, Palm-derived
  • Isopropyl myristate
  • Ethanolamines (MEA/DEA/TEA)
  • Butylated Hydroxyanisole (BHA)
  • Ethylenediaminetetraacetic acid (EDTA)
  • Nanomaterials included TiO2, ZnO & Carbon Black
  • Phthalates
  • Resorcinol
  • Sulfates
  • Sorbitol
  • 1,4 dioxane
  • P-Phenylenediamine
  • Phenoxyethanol
  • Ceteareth-20
  • Synthetic flavor & fragrance
  • Volatile Silicones (D4, D5, D6)
  • Synthetic or natural fragrance
  • Methylisothiazolinone (MIT)
  • Sodium Laureth Sulfate
  • Ammonium Laureth Sulfate
  • Methylchloroisothiazolinone (MCIT)
  • Talc
  • Toluene
  • Urea
  • Stearic acid
  • Parabens
  • Polysorbate-20
  • Vaseline mineral
  • Butoxyethanol
  • Ammonium Glycyrrhizinate
  • Methylisothiazolinone (MIT)
  • Ethanolamine
  • Hormones disruptor
  • Butylated Hydroxytoluene (BHT)
  • Ethylhexyl Methoxycinnamate
  • Polyethylene Glycol (PEG) & PEG compounds
Mumuk bottles and packaging
Two women after applying Mumuk serum

Our green commitment

At MUMUK, every decision we make is guided by our dedication to building a future-focused brand that puts the planet first. Our bottles are crafted from recycled PCR plastic, and our cartons are made from recycled materials, ensuring that every component remains fully recyclable.