Name: No. 3 Deep End Perfume Oil
Brand: Shelter Skin

What's inside

Ingredients Explained

Emollient, Skin Conditioning

Jojoba oil is one of the most well-studied plant-derived ingredients in cosmetics. It is an emollient with a special structure.

Because it is made up of 97-98% wax esters, it closely mirrors the linear monoesters found in human sebum. This makes it skin compatible, non-greasy, and lightweight.

Unlike other plant oils, jojoba wax doesn't easily penetrate skin. It mostly works in the uppermost layers as an emollient. This just means it forms a light barrier on the skin to help retain moisture.

Formulations with jojoba esters up to 90% reduced transepidermal water loss (TEWL) and increased barrier recovery by 81% (outperforming bisabolol at 47%).

Besides barrier support, the science also suggests jojoba to have anti-inflammatory effects and potential applications for skin infections, aging, and wound healing.

Fun fact: Indigenous cultures have used jojoba as a moisturizer and to help treat burns for centuries.

Fungal acne: The Malassezia yeast is known to metabolize fatty acids in the C11-24 range and jojoba's dominant fatty acid components fall into this range. This ingredient may not be fungal acne safe.

Learn more about Simmondsia Chinensis Seed Oil

Cocos Nucifera Fruit Extract

Emollient, Skin Conditioning

Cocos Nucifera Fruit Extract comes from the meat of the coconut fruit. It is an emollient and skin conditioner with antioxidant properties.

Coconut fruit is naturally rich in amino acids, sugars, and nutrients including Vitamin C and small amounts of vitamin B. Malic acid can also be found in coconut fruit extract.

Santalum Album Wood Oil

Perfuming

Santalum Album Wood Oil is a fragrance and is an oil.

Styrax Benzoin Resin Extract

Masking, Perfuming

This ingredient is used to add a warm, sweet, and vanilla-like scent to products.

Alcohol

Antimicrobial, Astringent, Masking

This ingredient is also called ethanol or ethyl alcohol. It is denatured, meaning made undrinkable for cosmetic use.

In formulas, it:

Is it bad for your skin?

The answer comes down to concentration. Patch and wash studies have found highly concentrated alcohol-based hand rubs (60-100%) cause less barrier disruption than washing with a basic detergent like SLS. The only measurable effect in these studies was a temporary dip in skin hydration.

Concentrations below 12-15% in leave-on cosmetics is generally well-tolerated. Concentrations above start to see increased transepidermal water loss (TEWL) and reduced hydration.

In concentrations about 58%, it creates temporary channels in your skin's lipid layers to become more permeable and allow other ingredients to slip through easily.

This ingredient can be up to 80% of the formula in alcohol-based perfumes.

Overall, this ingredient is probably harmless if found lower down an ingredients list but worth side-eyeing if it's high up (especially if your barrier is already struggling).

Alcohol can worsen dry skin, eczema, and oily skin, especially at higher concentrations. This is because it can increase transepidermal water loss and decrease hydration to disrupt the skin barrier.

According to the National Rosacea Society based in the US, you should be mindful of products with these alcohols in the top half of ingredients.

True allergic contact dermatitis to ethanol is uncommon, but be sure to patch test if you have dry or sensitive skin.

Learn more about Alcohol

Dipteryx Odorata Seed Butter

Emollient, Skin Conditioning, Skin Protecting

Dipteryx Odorata Seed Butter isn't fungal acne safe.

Cananga Odorata Flower Oil

Masking, Perfuming

This ingredient is also known as Ylang Ylang essential oil.

There are several grades of this oil according to when the flowers are obtained so the exact makeup varies by origin, grade, and extraction.

In cosmetics, its job is mostly sensory: it has a sweet, floral scent often used in perfume.

Chemically, it's complex mix of fragrant molecules: geraniol, limonene, linalool and benzyl benzoate.

Several of these components are on the EU's list of recognized fragrance allergens; this means they have to be labeled when present above 0.001% in leave-on products and 0.01% in rinse-off products.

This ingredient is a known contact sensitizer for a small amount of people so it's definitely worth patch-testing if your skin is reactive.

Lab studies have found the oils does have real antioxidant and antibacterial activity, but keep in mind these are in-vitro findings rather than proven skincare benefits.

Learn more about Cananga Odorata Flower Oil

Vanilla Planifolia Fruit Extract

Skin Conditioning, Skin Protecting, Smoothing

Vanilla Planifolia Fruit Extract comes from the vanilla orchid native to central America. It is a skin-soothing ingredient.

This ingredient is skin-soothing and contains polyphenols that give it antioxidant properties.

This ingredient is not known to sensitize or irritate skin (unlike Vanilla Tahitensis). Vanilla tahitensis has shown to irritate skin in low amounts.

Learn more about Vanilla Planifolia Fruit Extract

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