Negar Mohammadi on Building Clean Hair Brand 14th Night


Explain the moment you realized, “OK, my company might actually be something…”

When I started hearing 14th Night referred to as “an industry secret,” everything clicked. I began receiving messages from stylists I’ve long admired, and then seeing women like [supermodels] Karen Elson and Carolyn Murphy—natural beauties with access to every product imaginable — organically sharing their love for the brand. That quiet, word-of-mouth adoption made me realize that the people truly in the know were finding it, using it, and loving it.

Your favorite low-stakes treat after a productive day is…

Turning my computer off and catching sunset, either on the beach or along New York’s West Side Highway, then meeting friends for dinner or a drink. Putting my phone away and just laughing over good food feels simple, grounding, and quietly decadent.

Your go-to thank you gift?

I don’t have a single go-to as I try to keep my ‘thank you’ personal. I love gifting something anchored in a detail from a conversation. If someone mentions their morning coffee ritual, I’ll bring my favorite beans from a local roaster. If they’re planning a beach trip, I’ll put together a small TSA-friendly travel set, of course including the Mini Nourishing Duo and The Hair Elixir!

What’s your go-to email sign off?

“Warmly.”

Finish this thought: people would be happier doing their work if…

..They accepted that even a dream job comes with mundane moments and learned how to find joy within them. No role is inspiring all the time, but how you move through the in-between matters.

I naturally gravitate toward the more social parts of my work—meeting with stylists, editors, and retailers—so when I’m doing something more solitary like budgeting or planning, I change the environment. I’ll work from a lively coffee shop, a hotel lobby, or alongside a friend to make it feel more connected and energizing. Finding small ways to bring joy and intention into everyday tasks can completely change how work feels.

If you weren’t in your current career, you’d be a…

An herbalist. I’m endlessly fascinated by the benefits of natural botanicals, and through formulating 14th Night I’ve happily gone down many rabbit holes learning about the antioxidant-rich properties of our ingredients.

We know it’s like picking your favorite child, but what’s the one item in your line that you consider your baby?

The Hair Elixir, always. It’s where everything began. I originally created it for myself, drawing from nourishing oils passed down through my Persian heritage, long before there was ever a brand.

That blend of pomegranate, argan, and almond oils became the heart of 14th Night and now lives in every formula. Beyond that, it represents trust as it was the product I reached for when my hair needed reparative moisture, and the one that gave me the confidence to believe I had something worth sharing. I still use it every day, on wet or dry hair, before styling to smooth and protect, or simply as a ritual. It always delivers.

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