Is Alloy M4 Estriol Cream worth it?

The gurus mostly approve it, but with enough reservations to keep it in the middle at a Guru Score of 73%.

What is Alloy M4 Estriol Cream's Guru Score?

Alloy M4 Estriol Cream holds a Guru Score of 73%. That is our read on how warmly the experts talk about it, based on the verdicts of 5 expert reviewers we have collected.

Alloy

Alloy M4 Estriol Cream.

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Moisturizers

About this product

A prescription estriol face cream from the online pharmacy Alloy, a low-strength estrogen formula designed to support hydration, elasticity and the skin barrier.

Full ingredients

Estriol, Aloe Barbadensis Leaf Juice, C12-14 Isoparaffin, Caprylic/Capric Triglyceride, Deionized Water, Laureth-7, Phenoxyethanol, Polyacrylamide, Tocopheryl Acetate, Triethylene Glycol

Guru Score

73%

Mixed

Early verdict · Few reviews so far

Mostly sponsored

Heads up: 3 of the 5 experts here were paid by the brand, leaving 2 unpaid. We have kept this score cautious as a result.

What the gurus are saying

Smaller-looking pores are the detail these gurus keep returning to, with before and after photos showing it after about six months. Other takes praise a light, easy-to-spread feel that is not chalky, and a three-month test found the weaker estriol did not get absorbed body-wide. The one thing to keep in mind: compounded batches can vary in strength, and several takes came from paid partnerships.

Synthesized from 5 expert reviews · most recent take August 2026

What they liked

Visible results within 6 months

What they flagged

Nothing. None of the experts who reviewed it raised a problem.

Type

MoisturizersCream

Key actives

Vitamin E

Formula notes

Fragrance-freeNo drying alcohol

Where to buy

Amazon → Google →

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What the gurus are saying.

Every take we've logged from this product's reviews across YouTube. Click any row to watch the moment they said it.

All takes Yay takes Nay takes Mixed takes Hide sponsored

Lab Muffin Beauty Science

863k subs

~Nay

"This shows it probably does absorb. Their cream is also compounded, which means estriol is mixed into each batch by a pharmacist. It's kind of like a controversial regulatory loophole in the US. Compounding is a lot less controlled than medications that you buy off the shelf. There's a lot more human error involved. So, there can be massive variations in how strong creams are. Mixing won't always be the same, and there's different base creams used."

Dr. Aleksandra Brown

151k subs

~Yay

"Estriol cream is typically compounded whether by a local pharmacy or by an online pharmacy like Alloy and it comes in 3%. This is considered a weaker, more selective form of estrogen because estriol primarily binds to the beta receptors. [...] So if we find something that binds to just the beta receptors, we might have hit the jackpot. Estriol is the estrogen type of topical cream that more selectively binds to the beta receptors compared to the alpha."

HotandFlashy

1.23M subs

~Yay

"I'm using the Alloy M4 face cream, which is a 0.3% estriol cream. It made such a difference in my pores, and [...] now that I've been using it for a while, my skin barrier just feels so much stronger."

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All 9 takes from HotandFlashy

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"I started using Alloy's estriol cream, their M4 face cream about a year ago. I started using it on just one half of my face. I did that for 6 months. I took before and after pictures and oh my gosh, the difference in my skin was unbelievable from one side to the other. This cut the size of my pores in half. I'd say more than half. I mean, it was truly remarkable. You could see it one side of my face to the other. So I absolutely love it."

I Used ESTROGEN Cream On My FACE for 6 Months. . . Here's What Happened!

"I've got my Alloy prescription here, this is their M4 cream, which is their estriol 0.3% cream. This is a 45 G tube, so more than the compounded version, and this is supposed to last about 3 months. I'm really happy with this one as well. This was so easy to set up on Alloy, I really enjoyed the service."

Faves + Fails March 2025

"The estrogen cream that I've been using is from Alloy, their M4 cream. It's 0.3% estriol and it's really nice. It's fragrance-free, it spreads really easily. I use about one pump to one and a half pumps for my neck and for my entire face. The thing that I love most about an estrogen cream is that it's really not sensitizing for most people, and so I could start using it every single night. I didn't have to ease in with it."

Counting Down The BEST SKINCARE of 2024!

"I decided to try one of the other online services that you can get estrogen cream from. I really had a great experience using Alloy, getting the Trano in and the estrogen cream from them has been great. It's one of the services that caters to menopausal women. Even if you're on estrogen on HRT like I am and you are supplementing estrogen, your skin can still benefit from this cream. I was surprised that I had such really robust results with it. Applying it topically, what a difference."

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"Step four is going to be my new estrogen cream which is the M4 cream from Alloy. This is 0.3% estriol and it's specifically for peri and postmenopausal women whose skin is estrogen deprived. I did a video on estrogen cream about a month ago and that was after doing a six-month trial on a 0.3% estriol cream and I was trying not to get overly excited in the video but I was so excited about the changes I saw in my skin using the estrogen cream."

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"I did a review on this after I had used it for 6 months, a before and after, and oh my gosh, was I amazed at the after pictures after just 6 months of this. I mean, when I started with Tretinoin, it took about a year to see a difference in my skin. And so, I really liked it that with the estriol, I could see the difference in 6 months. So, estriol cream is specifically made for estrogen deprived skin. So, it's really for people who are post-menopausal or perimenopausal."

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"My skin is very textured and this has really helped with that. My skin looks so much better and you can especially see it in the before and after pictures that my pores visibly look smaller. [...] It's non-irritating, and so I can use this on my neck. I started using it every night right away and I could just use it with no irritation. [...] I put this on my face, my chest, and the backs of my hands."

My Quick & Easy Wash & Style Routine!

"I started using Alloy a couple of years ago for some of my prescription skin care, my estriol face cream, which is amazing."

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Dr. Sam Ellis

898k subs

~Yay

"And this is where prescription topical estrogen can be incredibly helpful. [...] One option I really like is Alloy's M4 line. It contains estriol, which is a low potency estrogen meant to work locally in the skin to help with hydration and elasticity and barrier function without going systemic. And from just a formulation standpoint, it is so cosmetically elegant, which matters because you actually want to put it on your skin and that's going to make you be way more consistent."