Easy methods to make a blooming tub oil (no expertise wanted)

Up to date: 09.03.26

Do you know that the majority tub oils available on the market are merely blends of service oils with giant quantities of important oils floating on prime?

This implies the important oils aren’t correctly dispersed, which might irritate your pores and skin and even trigger long-term sensitisation. That’s as a result of important oils are extremely potent elements, and when used incorrectly, they will do extra hurt than good.

So does that imply it’s a must to cease utilizing tub oils altogether?

Fortunately, no – as a result of there’s a greater method. You may make your individual skin-safe tub oil, and on this put up, we’ll present you precisely how.

And the perfect half? You may make it in simply 10 minutes!

What makes this tub oil so particular

This tub oil is skin-friendly and appropriate for all pores and skin varieties because of nourishing plant oils like castor oil and plum oil. However what makes it actually particular is its magical, reworking texture.

The second this tub oil touches water, it turns right into a silky milk, creating an expensive soak that appears like an indulgent spa remedy. It appears lovely, smells unimaginable (think about a flower bouquet in your tub), and in addition makes an amazing, considerate handmade present.

Its vibrant purple color comes from a particular plant extract that naturally transforms the oil right into a placing cherry-red shade – however extra on this secret ingredient later!

What you’ll have to make this tub oil

Right here’s every part it’s good to make this blooming tub oil.

You don’t want fancy tools or a lab setup to make this – only a clear workspace and some fundamental instruments you most likely have already got in your kitchen, or can discover on-line or in kitchenware retailers.

All elements are broadly accessible and straightforward to supply, and we’ve additionally included a helpful provider checklist on the finish of this put up!

Tools

You will have:

• Scales for correct measurements – these are tremendous straightforward to search out and price about $10 on Amazon
• A glass beaker or another mixing container
• A glass rod or spoon for light stirring
• Pipettes (optionally available) to exactly add your elements, however you possibly can additionally simply rigorously pour and weigh your elements for those who don’t have any available.
• Gloves and an apron for security and hygiene
• And an appropriate container for storing your tub oil (we used a 250ml glass bottle, however you possibly can additionally use aluminium or PET plastic)

You’ll find all of this tools listed on our Amazon storefront.

And that’s it! Earlier than you begin, you’ll additionally want to scrub your arms, tie your hair again you probably have lengthy hair, and clear a little bit of counter house.

Substances

And now for the elements! To make 250 grams of this blooming tub oil, you will have:

87g castor oil

80g fractionated coconut oil (MCT oil)

50g Polyglyceryl-4 Oleate (extra on this ingredient within the breakdown part beneath)

25g plum oil

2.5g bergamot important oil

1.25g lavender important oil

1.25 ylang ylang important oil

2.5g vitamin E

And lastly, 0.50g of gromwell extract (the key ingredient!)

It’s also possible to discover a full ingredient breakdown within the part beneath.

Ingredient breakdown

You solely want 7 elements to make this attractive tub oil.

These are both pure or naturally-derived elements (extra on the definition of pure in cosmetics right here), broadly accessible, and straightforward to supply.

1. Castor oil

INCI: Ricinus Communis Seed Oil

First up, you’ll want 87 grams of castor oil.

This oil is a thick, shiny, and virtually syrupy liquid. It’s generally utilized in lip gloss formulations due to its shine and cushioning really feel.

On this tub oil, it offers deep conditioning advantages, leaving your pores and skin feeling comfortable and nourished after soaking.

to study extra about castor oil? Then take a look at this put up about the advantages of castor oil!

2. Fractionated coconut oil (MCT oil)

INCI: Caprylic/Capric Triglyceride

Then, you’ll want 80 grams of fractionated coconut oil (aka MCT oil).

Fractionated coconut oil is just a fraction of coconut oil that’s been refined to maintain solely the lightest, silkiest half.

This makes it superbly clear, fast-absorbing and non-greasy. MCT oil additionally helps steadiness out the richness of castor oil, so your pores and skin feels comfortable and moisturised after the tub with none oily residue – and makes your tub oil really feel like an expensive, professional-grade product.

3. PGMO.4

INCI: Polyglyceryl-4 Oleate

And now for the magic ingredient that turns your tub oil right into a silky milk the second it hits water!

You’ll want 50 grams of PGMO.4, aka Polyglyceryl-4 Oleate. That is an emulsifier – a particular ingredient that helps oils and water combine collectively, making a luscious, milky texture.

Whereas the identify would possibly sound “chemical,” it’s really derived from plant oils and glycerine. It’s light, skin-friendly, and fully protected.

You’ll find it from specialist beauty ingredient suppliers worldwide in small portions, and we’ve additionally included a couple of really useful suppliers on the backside of this put up.

Since PGMO.4 is kind of thick, you’ll have to pour it rigorously into your mixing beaker or bowl.

4. Plum oil

INCI: Prunus Domestica Seed Oil

You’ll additionally want 25 grams of plum oil – a stunning, mild golden oil that offers this tub oil a stupendous, silky texture.

This fruit oil additionally has a refined pure marzipan scent, including a fragile sweetness and making a splendidly indulgent aroma to your tub.

5. Bergamot, lavender & ylang-ylang important oils

INCI: Citrus Aurantium Bergamia Peel Oil/Lavandula Angustifolia Oil/Cananga Odorata Flower Oil

Additionally, you will want some important oils to offer this tub oil its luxurious, calming, floral scent. We’ve chosen:

• 2.50 grams of bergamot important oil, which has a beautiful earthy citrus perfume
• 1.25 grams of lavender important oil, which provides a relaxing and floral notice
• 1.25 grams of ylang-ylang important oil, which contributes to a wealthy, candy, and floral aroma

Now, we realise that we mentioned earlier that important oils can generally irritate the pores and skin in tub oils – however that often occurs after they aren’t correctly dispersed and consequently float on the floor of the water.

However on this case, the Polyglyceryl-4 Oleate helps the important oils disperse evenly all through the components and bathwater, as a substitute of sitting on prime, making the tub oil skin-safe.

6. Vitamin E

INCI: Tocopherol

Additionally, you will want 2.50 grams of vitamin E, a strong antioxidant which helps shield your plant oils from oxidation and prolong the shelf lifetime of your tub oil, protecting it contemporary for longer.

This well-known vitamin additionally has skin-conditioning properties, leaving your pores and skin feeling nourished and comfortable after your tub.

INCI: Helianthus Annuus Hybrid Oil, Simmondsia Chinensis Seed Oil, Lithospermum Erythrorhizon Root Extract

And now for the key final ingredient! You will have 0.50 grams of gromwell extract. This extract comes from a exceptional plant that has been cultivated in Japan for over 1,000 years, the place it was historically used for natural medication and pure dyes.

Gromwell extract provides your tub oil a placing cherry-red color that appears gorgeous each within the bottle and within the tub. Simply watch out when utilizing it, as it may well stain surfaces, and ensure you put on gloves to keep away from purple fingers!

However don’t fear – as soon as it’s blended into your tub oil, it received’t stain your pores and skin.

Now, gromwell extract is a little bit of a specialist ingredient, so it won’t be straightforward to get the place you reside.

Should you can’t discover it, you may completely depart it out, or swap it for different plant-based colourants like blue tansy important oil, sea buckthorn oil, or buriti fruit oil, all of which can even give your tub oil a beautiful color.

We cowl different plant-based colourants on this put up.

Easy methods to make a skin-safe blooming tub oil (no expertise wanted)

• Makes: 250g
• Time: 10-Quarter-hour
• Stage: Newbie-friendly

Step-by-step methodology:

Right here’s the right way to make this tub oil in 4 easy steps:

• Step 1: Weigh your castor oil, fractionated coconut oil, Polyglyceryl-4 Oleate and plum oil

Begin by weighing your base elements in a clear beaker or bowl. You’ll want 87 grams of castor oil, 80 grams of fractionated coconut oil, 50 grams of Polyglyceryl-4 Oleate, and 25 grams of plum oil.

Don’t overlook to tare your scale after every addition to reset the dimensions by urgent the ‘tare’ button.

• Step 2: Add your important oils

Subsequent, add your important oils, one after the other, taring the dimensions after you add every one.

That’s 2.50 grams of bergamot important oil, 1.25 grams of lavender important oil, and 1.25 grams of ylang-ylang important oil.

• Step 3: Add your vitamin E and gromwell extract and stir

It’s now time so as to add 2.50 grams of vitamin E and 0.50 grams of gromwell extract – your showstopper ingredient.

Combine all of the elements collectively utilizing a clear glass rod or spoon, and watch as your golden combine transforms right into a wealthy, vivid purple color, and a shiny, vibrant, and splendid tub oil. That is actually one of the satisfying components of the entire course of.

• Step 4: Switch to a bottle & label

And now for the ultimate step! Pour your combination into its closing container. We’ve used a clear curved-glass apothecary bottle, however use no matter you need!

All that’s left to do now could be to label your tub oil with the identify and date, and it’s prepared to make use of!

Why not attempt customising your tub oil by experimenting with totally different plant oils, important oils or pure colourants? We cowl totally different choices for you on this put up about pure plant colourants. Simply ensure you respect the unique portions, as this components has been rigorously designed to work at these quantities. That is particularly essential when making an attempt totally different important oils.

Easy methods to use your tub oil

To make use of your tub oil, pour a small quantity into your bathwater and watch your clear purple oil remodel into an indulgent, silky, milky soak (aka the ‘blooming’ impact). Your bathwater will tackle a comfortable color with out staining pores and skin or leaving greasy residue.

And since the oils are correctly dispersed, there will probably be no oily layer floating on prime, making this blooming tub oil fully skin-friendly and protected!

All that’s left to do is loosen up and luxuriate in comfortable, conditioned pores and skin!

Wish to make extra skincare?

We hope you loved this put up and really feel impressed to make – and check out – this blooming tub oil your self! It’s also possible to comply with together with the YouTube video embedded on this put up to look at the complete course of step-by-step.

When you see simply how straightforward and satisfying it’s to make your individual tub oil, you’ll most likely begin questioning what different skincare and bodycare merchandise you may create.

So for those who loved this and need to take issues additional, why not be a part of our free quick formulation course?

It’s the proper subsequent step to start out constructing actual formulation abilities and confidence, find out how skincare merchandise are actually made, and begin creating your individual pure skincare and bodycare merchandise from scratch.

Urged suppliers

Here’s a checklist of respected suppliers you should utilize to supply the elements for this tub oil:

INKY Substances (UK)

Aroma-Zone (EU)

Aromantic (UK)

Alexmo Cosmetics (EU)

Manske (EU)

The Cleaning soap Kitchen (UK)

Ellemental  (EU)

Lotioncrafter (USA)

Important Labs (USA)

Go Native NZ (New Zealand)

Naturally Balmy (UK)

O&3 – The Oil Household (UK/EU)

Cleaning soap & Extra (Canada)

Handymade (EU)

Formulator Pattern Store (USA)

Personally, we sourced the PGMO.4 from Alexmo, however you possibly can additionally use Durosoft PG4-O from Bay Home Aromatics, or discover one other model from a distinct provider. For the gromwell extract, we sourced ours from Aroma Zone (the place it’s known as Rouge Grenadine), however you too can discover it on Dauphine Organics.

Keep in mind that whereas the INCI identify (the beauty ingredient identify) is often the identical for the listed elements, there could also be slight variations between merchandise relying on the provider.

FAQ

A shower oil is a beautiful addition to your bathtime routine, designed to nourish and moisturise your pores and skin whereas creating a soothing sensory expertise.

This specific tub oil stands out because of its reworking texture, turning from an oil mix right into a milky resolution when it hits water. Its lovely purple color and soothing floral scent additionally make it good for gifting (or protecting to your self!)

• How do you employ this tub oil?

Add your required quantity to heat working bathwater. The oil will disperse right into a silky milky resolution and received’t depart an oily residue within the tub – so that you don’t have to fret about greasy residue in your pores and skin or further clean-up!

• What does this tub oil appear like, really feel like, and odor like?

It’s a barely viscous cherry-red liquid with a comfortable floral scent of bergamot, lavender, and ylang-ylang. In water, it turns into a light-weight milky soak that leaves pores and skin comfortable and conditioned.

• How will you customise this tub oil?

This formulation is absolutely customisable, so you may experiment with totally different plant oils, important oils, or pure colourants. Simply ensure you preserve the identical total ratios.

Since it is a rinse-off product, keep away from utilizing costly elements, as they may actually go down the drain. Merely experiment and have enjoyable!

Depart us a remark

Beatriz Amaral, a beauty scientist labored at System Botanica from 2021 – 2025. Learn extra in regards to the System Botanica workforce.