40% of women notice hair thinning by menopause. You're not imagining it.

That widening part in your photos, the extra hair on your pillow: it's hormonal, it's common, and "that's normal at your age" isn't an answer.

It starts small. More in the shower drain. A part that photographs wider than it used to. Maybe it came up at your annual physical, tucked in almost as an afterthought after questions about sleep and hot flashes, and got filed under "normal for your age."

Hormonal hair thinning is one of the most common, least addressed symptoms of perimenopause and postmenopause.

What's Actually In It

Here's every active ingredient in 2DDR Advanced Formula and what each one is doing. Further down we show what it would cost to buy these six supporting actives on their own.

Estrogen helps keep hair in its growth phase longer. As levels shift during perimenopause and after menopause, more follicles can move into the shedding phase at the same time, which is what shows up as thinning, a widening part, or more hair left behind after brushing.

It's a hormonal shift, not a personal failing, and it's not something most hair-loss options on the market were built to address in the first place.

I'm pretty stunned at how quickly this product works. I had such bad hair loss a year ago, presumably from perimenopause. I tried supplements, vitamins, collagen, oils, and red light therapy. I really didn't want to try Minoxidil because of the side effects and its toxicity to dogs, not to mention the initial shedding. I'm so grateful for this product and I can't rave enough about it. At only two weeks, I noticed my hair was falling out less and in only two months I could see a difference. I just ordered another six months worth of product and I'm just hoping the growth continues!

The core compound, 2-deoxy-D-ribose (2dDR), was studied in a 2024 peer-reviewed pre-clinical study published in Frontiers in Pharmacology by University of Sheffield researchers. In that study, 2dDR performed comparably to minoxidil in promoting hair regrowth. Further promising results are pending clinical trials research.

2dDR isn't the only active ingredient doing work here. The other five ingredients in 2DDR Advanced each have their own research behind them for hair and scalp health, and each one, including 2dDR itself, is also sold on its own, usually as the lead active ingredient in a whole separate product. Here's what buying the equivalent actives separately would actually cost.

Tess B. / Wyoming

DAY 1

Watch Tess's story

DAY 180

Hi My boyfriend bought this serum for me 6ish months ago so I cannot review on your site, but I wanted to share my experience so far. My hair was thin and falling out from years of coloring. As you can see, the improvements since using 2DDR over the past six months have been amazing. Split ends have also reduced by at least half which is weird, but def says something positive about the health of my hair. Thank you! Thank you! Thank you!