Switch off stress in 20 mins.

The two best-selling magnesium Bath Tonics for an overloaded mind and a body that is exhausted.

4.97 • 1,500+ customers

$139.90

$269.70

That's 10 baths - $13.99 a soak

Free shipping • Stress-free guarantee

or 4 payments of $34.98 with

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EVERYTHING IN YOUR STARTER KIT

Sleep Well Bath Tonic (5 baths)

$69.95

Ease Work Stress Bath Tonic (5 baths)

$69.95

Spa Prep Duo, added to pack _^($74.90)

$20 voucher - for your next ritual

PLUS SITEWIDE BONUSES

Australia Post shipping _^($9.95)

Hydrating Face mask _^($24.90)

Total

~~$269.70~~

You pay $139.90

87 of 135 Spa Prep Duos left in this drop

We made it for you

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You're exhausted, tense across the shoulders, and you can't remember the last time you properly switched off.

This isn't one more thing to add to your routine. It's 20 minutes that finally lets you put everything down.

"We're sisters, and we created this pack for the moments you wake up in the morning and realise you just aren't feeling like yourself."

- Michelle + Suzy

Founders of 39 Degrees

What is a Bath Tonic

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Its a concentrated mineral liquid turns your bath water into a milky white, opaque cloud that gives you total privacy in the tub.

It replicates the deeply restorative feel of a natural hot spring using pure magnesium and botanical oils.

It is a simple, 20-minute ritual designed to release physical tension and help you reset when you aren't feeling like yourself.

What sets 39 Degrees apart

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Both give you a magnesium soak. Here's what a Bath Tonic does that salts can't.

What goes into GemGut and why it matters

Every ingredient in GemGut is carefully selected to support both gut balance and stress-related digestion issues. We believe you should know exactly what you’re putting into your body — no hidden blends, no unnecessary fillers.

Bath Tonic

Epsom Salts

Gentler magnesium that won't leave skin tight and dry

Milky, opaque water - providing privacy as you soak

Made in Melbourne, not mass produced overseas

Real essential oils to lift and shift your mood

Hydrates your skin and leaves it feeling silky

What's included

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2 Magnesium Bath Tonics 500 mL (10 baths). Sleep Well and Ease Work Stress, the two best-selling blends.

Spa Prep Duo. A porcelain Bath Tonic Measuring Cup for the perfect pour, everytime. You also get a Spa Headband to keep your hair where it needs to be.

$20 to spend. Ready for your next purchase and your next bathing ritual.

Bonus sitewide gift. Designed for the bath, you also recieve a Hydrating Face Mask.

Free shipping. With our shipping partners, Australia Post.

Why they're loved

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Made in Melbourne, not overseas

Helps with Nervous System Support

20-min Stress

Free Guarantee

100% Naturally Derived Ingredients

Why it works

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Magnesium absorbs through your skin. No pills, no powders - your body takes in what it needs while you rest.

Pure essential oils promote a sense of calm. Real aromatherapy, not synthetic fragrance - carefully blended to help you unwind.

20 minutes is all it takes. Pour 100 mL into a warm bath. The minerals and oils do the rest while you do nothing at all.

You'll feel it before you finish drying off. Relaxed muscles. Quiet mind. Ready for rest.

Reviewed by women like you

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4.97/5 based on 1,500+ customers

Spa quality at home

"As someone who didn't consider themselves a 'bath person' I have been converted by the beautiful Bath Tonics from 39 Degrees. I am sleeping better, feel wonderfully relaxed after my magnesium baths and have noticed that niggling back and joint pain has subsided"

Angela. F

Verified Buyer

Sleep well Bath Tonic

"Absolutely loved the Sleep Well Magnesium Mineral Bath Tonic! After a long day of gardening left my muscles screaming, this soak was pure magic. My aches melted away, and I drifted off to sleep like a log. Plus, waking up ache-free felt amazing. An extra bonus: it made me feel pampered and luxurious! Highly recommend for anyone seeking relaxation and muscle relief."

Tracy

Verified Buyer

Stress and panic

"I'm normally a very level-headed person, but perimenopause was leading to panic attacks. My husband said, 'Why don't you go have a bath?'...I used the de-stress {Ease Work Stress} blend and it absolutely delivered. I actually ended up falling asleep in the bath. It feels so silky...like I'm having my own mini spa at home"

Renne

Verified Buyer

Total Convert

"These products are amazing. I felt so fantastic and slept so well. I wondered if the water would be milky and it was, I wondered if the essential oils would smell beautiful and they did....First class self care."

Felicity. B

Verified Buyer

We're on a mission

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To help women feel calm, restored and in control again.

You don't need fixing. You just need somewhere to soften. We created 39 Degrees for the moments when everything feels like too much.

Michelle + Suzy

Founders of 39 Degrees

Real magesnesium, properly absorbed

Every soak draws real magnesium through warm water, the mineral a calm body runs on.

Real magesnesium, properly absorbed

Every soak draws real magnesium through warm water, the mineral a calm body runs on.

Award-winning, best-sellers

Sleep Well, our award-winning hero, with Ease Work Stress - the two that keep selling out.

For the restless day

Made for the inbox that never empties and the mind still racing at 11pm.

Time finally yours

Not another hour lost to the scroll. Pour, soak, breathe - twenty minutes only about you.

Loved or refunded

Our 20-Minute Stress Reset Guarantee, 350,000+ soaks enjoyed and proudly Australian made in Melbourne.

How to use

Pour. Soak. Breathe. Add 100mL to warm bath water. Soak for 20 minutes. Let the minerals do the rest.

Aromatherapy blend

Sleep Well | Lavender · Cedarwood · Chamomile
Formulated to promote feelings of relaxation and soothe tired bodies and minds, this tranquil blend is ideal just before bed. Scented with lavender, cedarwood and chamomile natural essential oils.

Ease Work Stress | Geranium · Mandarin · Lemon
A gentle citrus-based soak formulated to assist stress relief and relaxation. Perfect after a busy day's work. Scented with geranium, mandarin and lemon natural essential oils.

Natural minerals

Average quantities of minerals in 100 mL of liquid tonic. We recommend 100 mL liquid tonic per bath.

Natural Mineral	mg/100mL	mg/1000mL (ppm)	Function
Mg Magnesium	5,000	50,100	Helps relax, reduce anxiety, ease stress. Supports muscle recovery, nerves, heart health and strong bones.
Cl Chloride	15,350	153,500	Helps relax, reduce anxiety, ease stress. Supports muscle recovery, nerves, heart health and strong bones.
K Potassium	127.9	1279	Helps reduce anxiety and stress, regulates heart rhythm, muscle contractions, and fluid balance.
B Boron	2.4	22.4	Supports bone health, brain function, and hormonal balance.
Si Silica	<100	<1000	Promotes healthy skin, hair, nails, and connective tissues.

Ingredients

Each single soak contains 100 mL of the world's purest source of natural magnesium chloride and carefully selected botanical oils.

Our ingredients undergo meticulous testing to ensure their purity, authenticity, and quality.

Derived exclusively from natural sources and the earth itself.

• Vegan Friendly
• Made in Melbourne
• Female Founded

What’s in it	Where it’s from	What it is
Natural Magnesium Chloride	Ancient Zechstein Seabed	Essential Mineral
Helianthus Annuus Seed Oil	Sunflower Seed	Skin Moisturiser
Cocamidopropyl Betaine & Polyglyceryl-10 Laurate	Coconut	Skin Cleanser
Hydroxypropyl Starch Phosphate	Corn	Thickener
Titanium Dioxide	Anatase	Mineral Thickener & Pigment
Pure Essential Oils	Plant Derived	Aromatherapy Fragrance

Purified Water, Magnesium Chloride, Helianthus annuus (Sunflower) Seed Oil, Cocamidopropyl Betaine (Coconut Derived), Polyglyceryl-10 Laurate (Derived from Coconut, RSPO Certified Sustainable Palm Oil), Hydroxypropyl Starch Phosphate (Corn Derived), Titanium Dioxide, Sandalwood Oil, Patchouli Oil, Frankincense Oil, Cedar Atlas Oil, Native Australian Nerolina Oil, Native Australian White Cypress Oil, Vertiver Oil, Ylang Ylang Oil.