Beauty, Health

Under Luna Review: Why I’ll Never Use Another Shampoo Ever

5 July

My Haircare Rock Bottom

I first found Under Luna during one of the most difficult seasons of my life. I was in college, struggling with chronic stress, allergic reactions, and unexplained hair loss. My scalp felt dead, my eyes began extremely swelling, my back had broken out in acne, and I felt like everything I put on my body or ate was adding to the pain I was experiencing.

At the time, I was using a popular drugstore shampoo and conditioner. I hadn’t made the connection yet between what I was putting on my hair and how my body was responding. But I was so desperate to try anything with even a little hope of helping my situation.

When I took a closer look at the ingredient labels of my haircare products, I understood that I wasn’t just using harmless hair products. They were filled with harsh surfactants, synthetic fragrances, and questionable preservatives, many of which are known to irritate skin and disrupt hormones.

Once I found Under Luna, it felt like I was seeing the light at the end of the tunnel. Keep reading for my Under Luna Review and to see why the shampoo you use is crucial to your health!

Can Shampoo Really Affect Your Whole Body?

Yes, what you put on your scalp affects your whole body.

Here’s why:

Your scalp is highly absorbent, and while there’s debate over how much topical product enters the bloodstream, studies show that certain ingredients in personal care products can be absorbed through the skin.

Shampoo and conditioner rinses down your back and body, clogging pores and contributing to acne, especially if the formula contains comedogenic or irritating ingredients.

Fragrances and preservatives can trigger allergic reactions or hormone disruption even in small amounts.

Ingredients to Avoid in Hair Products

Before switching to Under Luna, I was unknowingly using formulas loaded with some of the most common (and harmful) ingredients in conventional haircare.

🚫 Common Toxic Ingredients in Shampoo and Conditioner:

Sodium Lauryl Sulfate (SLS) – a harsh foaming agent that can strip the scalp
Fragrance (Parfum) – often a catch-all term that hides hundreds of synthetic chemicals
Phthalates – endocrine disruptors often found in synthetic scents
Silicones (ex. dimethicone) – can build up on hair and skin, causing congestion
Parabens – preservative linked to hormone disruption
Formaldehyde-releasing preservatives – like DMDM hydantoin
Phenoxyethanol – a synthetic preservative that can irritate the skin and disrupt the skin barrier

Even “natural” or salon-quality brands can sneak these in, so always read the label. There’s a lot of greenwashing out there.

Enter: Under Luna

I first discovered Under Luna on Instagram through someone I follow, and it immediately caught my attention. As I dug deeper into the brand, what stood out most was its integrity—both in philosophy and in ingredients. Every formula is handmade with whole, food-grade components, completely free of synthetic fragrance or anything toxic. Even the preservative is a fermented radish root. It truly doesn’t get cleaner than that.

Their Warrior Shampoo and Revive Conditioner changed everything for me.

My Under Luna Review: Warrior + Revive

🧴Warrior Shampoo

Formulated for strengthening and restoring the scalp, this shampoo is gentle, herbal, and effective. It lathers lightly without drying, and the essential oils (like rosemary and clary sage) smell calming, not overpowering. My hair started feeling stronger, shinier, and cleaner. It even felt thicker after the first couple of washes.

I will say, switching to a natural shampoo takes a little adjustment. It doesn’t lather the same way conventional shampoos do, especially if your hair is oily, since there are no harsh foaming agents. I typically shampoo twice during each wash. By the second round, it starts to lather up normally — a good sign that my hair is truly clean.

And because it’s free of synthetic fragrance, the scent is much more subtle and doesn’t linger the way traditional products might. This one in particular has a distinctly herbal scent — earthy, clean, and grounding. By the time my next hair washing day comes around, I don’t really smell the shampoo’s scent.

🧴Revive Conditioner

The Revive Conditioner is creamy, lightweight, and deeply hydrating without being heavy. I kid you not, I find this conditioner to be better than every conditioner I’ve tried. I leave it in for a few minutes while showering as a deep hair mask. Sometimes I even apply it to my hair and don’t rinse it out so that my hair can drink up all the goodness in it. My hair is softer, tangle-free, and has no waxy residue. It’s just so soft and healthy.

It’s one conditioner I can never let go of, regardless of what shampoo I use with it. And it has a light jasmine scent that reminds me of that fresh, clean feeling after a summer day spent in the sun and fresh tan lines. I absolutely love it.

My Symptoms, Cleared

Since switching, I’ve had zero scalp irritation, soothing I struggled with for years. My back acne started clearing up within the first week, and the excessive hair shedding I used to experience stopped. My hair began feeling noticeably thicker and healthier. But the best part? I no longer have to second-guess what I’m putting on my body. There’s real peace of mind in knowing every ingredient is safe, intentional, and truly non-toxic.

Why I Only Use Under Luna Now

I realized I can’t afford to compromise when it comes to health. Your haircare products don’t just affect your hair, they touch your skin, travel down your back, and interact with your entire body.

Under Luna is so safe I even use the shampoo as a face wash… it’s definitely safer than anything you’re using from the drugstore or beauty shops like Ulta.

It’s a non-negotiable part of my health routine.

Final Thoughts

If you are experiencing hair loss, breakouts, scalp irritation, or you’re just trying to clean up your routine, I cannot recommend Under Luna enough. It changed my life. It’s hands-down the best non-toxic shampoo and conditioner combo you can find on the market, apart from using baking soda as your “shampoo” and apple cider vinegar as your “conditioner.”

No greenwashing. No synthetics. No hormone-disrupting chemicals. Just plants, oils, and peace of mind.