Alloy was the first company to offer skincare with estriol—and independent tests showed significant, measurable results. In just 12 weeks, women using M4 creams saw visibly firmer, smoother, more radiant skin.
23%
Immediate increase in hydration under-eye area
UP TO86%
Boost in skin elasticity and bounce
UP TO25%
Reduction in fine lines and wrinkles around the eyes
On clean skin, apply ½ pump of M4 Eye Cream Rx to each under eye and lid area
Step 2
Choose Your M4 Base Treatment
Select the formula that suits your morning or evening routine and apply to a clean, dry, face and neck
Best for AM Routine or lighter hydration
Apply 1–2 pumps of M4 Face Serum Rx
OR
Best for PM Routine or deeper hydration
Apply a thin layer of M4 Face Cream Rx
Step 3
Lock In & Protect
Finish your routine with the essentials to seal in hydration and protect your skin
AM: Follow with a moisturizer, SPF, and makeup as needed
PM: Apply a moisturizer or retinoid—like Alloy's Tretinoin Face Cream Rx—as directed by your provider
Targeted Treatments, Smart Savings
Get radiant, resilient skin with exclusive sets designed for visible results
25% OFF
Glow & Go
M4 Face Cream Rx, Face Serum Rx, & Eye Cream Rx
$299.00$399.00
$30 OFF
Daily Strength Duo
M4 Face Cream Rx & M4 Eye Cream Rx
$210.00$240.00
$30 OFF
Power Pair
M4 Face Cream Rx & Tretinoin Face Cream Rx
$210.00$240.00
The Reviews Are In, And They're Glowing
I have been using Alloy M4 and it’s unbelievable. Literally a miracle for my skin.
- Deborah C.
Obsessed with Alloy's M4 cream. My skin is ✨GLOWING✨
- Harprett T
This has been a game changer for my 52 year old skin. Wow!
- Laura T.
I have been using the M4 for 4 months now. I’m glowing! My face looks smoother and hydrated...So happy I found this magic in a bottle.
- Stacy M.
Frequently Asked Questions
What were the results of the clinical studies of M4 products?+When should I start using the M4 Skincare line?+What is M4 Estriol Face Cream?+Why do the M4 skincare products use estriol instead of estradiol?+Is estriol really as effective as tretinoin?+Why were the eye cream and the face serum added to the line?+Can I use M4 with my other favorite products? +Can I use all three M4 products?+Who conducted the most recent study?+Do the M4 products increase estrogen levels?+
