Mother Dirt

Mother Dirt Postbiotic Moisturizing Body Oil

Name: Mother Dirt - Postbiotic Moisturizing Body Oil
Brand: Mother Dirt

Efficacy75/100IrritancyHigh

See all ingredients

Works for

Moisturizing

Prunus amygdalus dulcis seed, Prunus armeniaca kernel oil + 7 more

Works

What the product description says

“Postbiotic Moisturizing Body Oil”

Source: Content

This product can help soften the skin and reduce its moisture loss with emollients and occlusives: caprylic/capric triglyceride, squalane.

Keep in mind that this product does not contain effective ingredients to attract water to the upper layer of the skin. This is why an additional product with humectants like glycerin or hyaluronic acid can be helpful (apply it before this product for the best results).

Prunus amygdalus dulcis seedKey activeEffect: HighHelps soften the upper layer of the skin~25–38%

Prunus armeniaca kernel oilKey active· EmollientEffect: HighAn emollient that helps soften the skin~7.8–11.7%

Crambe abyssinica seed oilKey activeEffect: MediumHelps soften the upper layer of the skin~4.7–7%

Heptyl undecylenateKey active· Emollient, OcclusiveEffect: MediumHelps soften the upper layer of the skin, reduce water loss from the skin surface over time and create a nice product finish~3.7–5.5%

SqualaneKey active· Emollient, OcclusiveEffect: HighAn oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.~2.8–4.2%

Caprylic/capric triglycerideKey active· Emollient, OcclusiveEffect: HighA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~2.3–3.4%

Aspergillus fermentKey activeEffect: MediumAn extract from fungus (mold) that typically appears on rice. It can help attract water to the upper layer of the skin, might help neutralize free radicals and possibly somewhat reduce hyperpigmentation~1.2–1.8%

Saccharomyces fermentKey activeEffect: HighA product of yeast fermentation. Helps attract water to the upper layer of the skin~0.95–1.4%

TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.4–0.95%

Can it cause trouble?

Irritancy

4 strong irritants: Cymbopogon flexuosus leaf oil, Citral + 2 more — patch-test recommended

High risk

We flagged 8 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.

IngredientFunctionIrritationEst. amount

Cymbopogon flexuosus leaf oil—High~0.35–0.8%est.

CitralA fragrance with a lemon scent. A likely irritantHigh~0.15–0.55%est.

GeraniolA fragrance. Can be irritatingHigh~0.05–0.25%est.

LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.05–0.15%est.

Prunus armeniaca kernel oilAn emollient that helps soften the skinMedium~7.8–11.7%est.

Crambe abyssinica seed oilHelps soften the upper layer of the skinMedium~4.7–7%est.

Heptyl undecylenateHelps soften the upper layer of the skin, reduce water loss from the skin surface over time and create a nice product finishMedium~3.7–5.5%est.

Caprylic/capric triglycerideA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerinMedium~2.3–3.4%est.

Comedogenic

Clean of flagged comedogenic ingredients

None flagged

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Ingredients

Filter by role to see what each ingredient is doing.

Prunus amygdalus dulcis seed~25–38%

Key active

Irritation risk: Low

Works for

Moisturizing

Helps soften the upper layer of the skin

More about Prunus amygdalus dulcis seed

Prunus armeniaca kernel oil~7.8–11.7%

Key activeIrritant · medium

Irritation risk: Medium

Works for

MoisturizingAnti-oxidation

An emollient that helps soften the skin

More about Prunus armeniaca kernel oil

Crambe abyssinica seed oil~4.7–7%

Key activeIrritant · medium

Irritation risk: Medium

Works for

Moisturizing

Helps soften the upper layer of the skin

More about Crambe abyssinica seed oil

Heptyl undecylenate~3.7–5.5%

Key activeIrritant · medium

Irritation risk: Medium

Works for

Moisturizing

Helps soften the upper layer of the skin, reduce water loss from the skin surface over time and create a nice product finish

More about Heptyl undecylenate

Squalane~2.8–4.2%

Key active

Irritation risk: Low

Works for

Moisturizing

An oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.

More about Squalane

Caprylic/capric triglyceride~2.3–3.4%

Key activeIrritant · medium

Irritation risk: Medium

Works for

Moisturizing

A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin

More about Caprylic/capric triglyceride

Aspergillus ferment~1.2–1.8%

Key active

Irritation risk: Low

Works for

MoisturizingAnti-oxidationEvens skin tone

An extract from fungus (mold) that typically appears on rice. It can help attract water to the upper layer of the skin, might help neutralize free radicals and possibly somewhat reduce hyperpigmentation

More about Aspergillus ferment

Saccharomyces ferment~0.95–1.4%

Key active

Irritation risk: Low

Works for

Moisturizing

A product of yeast fermentation. Helps attract water to the upper layer of the skin

More about Saccharomyces ferment

Tocopherol~0.4–0.95%

Formula

Irritation risk: Low

Works for

Anti-oxidationAnti-inflammatoryAnti-agingMoisturizing

Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself

More about Tocopherol

Cymbopogon flexuosus leaf oil~0.35–0.8%

Irritant · high

Irritation risk: High

More about Cymbopogon flexuosus leaf oil

Citral~0.15–0.55%

Irritant · high

Irritation risk: High

A fragrance with a lemon scent. A likely irritant

More about Citral

Geraniol~0.05–0.25%

Irritant · high

Irritation risk: High

A fragrance. Can be irritating

More about Geraniol

Limonene~0.05–0.15%

Irritant · high

Irritation risk: High

A common frangrance that can easily irritate skin, especially if exposed to air, light or heat

More about Limonene

Ingredient list view

Prunus amygdalus dulcis seed, Prunus armeniaca kernel oil, Crambe abyssinica seed oil, Heptyl undecylenate, Squalane, Caprylic/capric triglyceride, Aspergillus ferment, Saccharomyces ferment, Tocopherol, Cymbopogon flexuosus leaf oil, Citral, Geraniol, Limonene

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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
	Mother DirtPostbiotic Moisturizing Body OilYOUR PRODUCT	KORRESOlive Nourishing In-Shower Serum Oil	ARK SkincareBody Beautiful Conditioning Body Serum	OmoroviczaFirming Body Oil
Match	—	38%	36%	36%
Price	—	$19.95	$46.79	$73.62
Shared key ingredients	—	4 of 6	3 of 6	4 of 6
Key difference	—	Butyrospermum Parkii Butter	Bisabolol	Sunflower Seed Oil
Irritancy	High	High	High	High
Drying alcohol	—	—	—	—
	View product	Shop	Shop	Shop

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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 4 studies and safety reviews.

1
Brewer's rice: A potential substrate for cosmeceutical bio-ingredient production by solid state fermentation using Aspergillus oryzaeresearchgate.net
2
Vitamin E in dermatologyncbi.nlm.nih.gov
3
Vitamin E and Skin Healthlpi.oregonstate.edu
4
Annex I: Clinical evidence regarding sensitisation to individual fragrance chemicals and to natural extractsec.europa.eu

Mother DirtPostbiotic Moisturizing Body Oil

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