Magnesium Butter Relax + Calm + Relief
A hand holding a jar of Sweet Sleep Magnesium Butter by Promise Prenatal, with a reflective surface and a shadow falling on the product.
A woman in a bedroom setting wearing a rust-colored floral robe and a yellow headwrap, with text overlays detailing the benefits of Dead Sea salt, moisturizing butter, and lavender.
Magnesium Butter Relax + Calm + Relief

Magnesium Butter Relax + Calm + Relief

Whipped to perfection, this butter is made for soothing, fast-absorbing relief. Infused with mineral-rich Dead Sea salt, it supports muscle health, relaxation and restful sleep. Formerly known as Sweet Sleep Magnesium Butter.

Quick Facts

  • Made for: pregnancy, postpartum and everyday wind-down
  • Size: 5 oz jar
  • Key ingredients: Dead Sea salt (magnesium), moisturizing plant butters, lavender
  • Texture: light, whipped and fast-absorbing
  • Free from: parabens and dyes; cruelty free

FAQ

How do I use it?
Massage a small amount into legs, feet, arms or shoulders, especially as part of your bedtime routine.

Is this the same as Sweet Sleep Magnesium Butter?
Yes. Same butter, new name.

Can I use it while pregnant or breastfeeding?
Yes, it's made for pregnancy and breastfeeding. Avoid applying to the nipple area while nursing, and check with your provider if you have questions.

What pairs well with it?
Our Magnesium Bath Soak and Evening Exhale Tea for a full evening reset.

$25.00 USD
Shipping calculated at checkout.
Choose Option

Soothing, fast-absorbing relief. Supports Muscle health, Relaxation, and Restful sleep.

Organic Coconut Oil, Organic Refined Shea Butter, Organic Grapeseed Oil, Magnesium Chloride (Dead Sea Salt), Purified Water, Organic Mango Seed Butter, Organic Beeswax, Organic Lavender Oil

Pregnancy and Breastfeeding Safe

Hypoallergenic

A hand holding a jar of Sweet Sleep Magnesium Butter by Promise Prenatal, with a reflective surface and a shadow falling on the product.
How to use

How to use

Apply onto clean skin focusing on feet, legs and arms.
Avoid sensitive areas. Use morning or night.
For a restful sleep apply before bed nightly.
Key Botanicals

Key Botanicals

Grapeseed Oil, Aloe Vera, Vitamin E, Lavender
Full Ingredients

Full Ingredients

Organic Coconut Oil, Organic Refined Shea Butter, Organic Grapeseed Oil, Magnesium Chloride (Dead Sea Salt), Purified Water, Organic Mango Seed Butter, Organic Beeswax, Organic Lavender Oil.
Consciously Formulated

Consciously Formulated

Promise creates intentional, clean formulations guided by advanced biomedical science and grounded in extensive research. Free from unnecessary fillers, synthetic fragrances, and harsh chemicals, each product is designed to work in harmony with your body — to honor it, never overwhelm it.

Whether you’re preparing for motherhood, moving through each transformative trimester, or nurturing yourself beyond baby and into every evolving season of womanhood, we make self-care both safe and powerfully effective.

PREGNANCY SAFE / PARABEN FREE / CRUELTY FREE / VEGAN / DYE FREE / TOXIN FREE

RELAXATION + CALM

Dead Sea Magnesium Butter, Grapeseed Oil, Aloe Vera, Vitamin E, Lavender

is the perfect blend for body and mind to soothe, relax and have a restful sleep.

What Mom’s are Saying About Promise
What Mom’s are Saying About Promise

Promise Bump Oil is a MUST for any pregnant mama... this is my second bottle & I’m obsessed. 😍⁣ #36weeks

@khaleizanjanipour
What Mom’s are Saying About Promise

I am so glad I decided to find a prenatal my body actually loves. I did the research and wanted something organic, easy on the stomach and transparent about ingredients.

@anareeworld
What Mom’s are Saying About Promise

Hormonal acne got me pretty bad and Promise Hydrating Facial Cleanser and Radiance Face Oil was a life saver!

@shyleesutton
What Mom’s are Saying About Promise

Promise is one of my favorite brands. I swear by their Bump Oil. I rub is all over my tummy and boobs and at 6 months pregnant I'm stretch mark free (fingers crossed).

@courtneydonmoyer
What Mom’s are Saying About Promise

I used this amazing company when I was pregnant with Liv and now I'm using them again with this pregnancy. I apply the Bump Oil and Belly Butter each day, especially during the winter months.

@krystal.mariexo
What Mom’s are Saying About Promise

Been absolutely loving my goodies from Promise. Everything is organic, clean, non toxic, vegan & cruelty free 🌱 Would recommend every expecting mama// safe for baby & you.

@_kaylakatie
What Mom’s are Saying About Promise

I am so eternally grateful. I used Fertility Tea, Boost Vitamins and DHA for about 4 weeks before I took a positive pregnancy test. I was blown away...LOVE LOVE LOVE.

@mommystaysfit
What Mom’s are Saying About Promise

I've been obsessed with this Bump Oil since the first time I tried it! I use it every day-sometimes twice a day. Promise bundles their products by trimester so you can easily find everything you need at any given stage!

@lifewithtaylorj
What Mom’s are Saying About Promise

These are every mom-to-be’s dreammm... No more second guessing “what I need for which trimester?!”.

@gmc_ginamarievega

You may also like

Naturally

love the skin you're in

Explore our FAQ's