Hydrogenated Stearyl Olive Esters

What is Hydrogenated Stearyl Olive Esters?

Hydrogenated Stearyl Olive Esters is a waxy ingredient made by reacting fatty acids from olive oil with stearyl alcohol, followed by hydrogenation for stability. This plant-based compound belongs to the class of fatty acid esters used in cosmetics, particularly in makeup, skincare creams, and hair products. It functions by creating cohesive structures in solid formulations like lipsticks and pressed powders, where it improves firmness and durability. In emulsions such as lotions and conditioners, it reinforces the boundary between oil and water phases to prevent splitting and maintain consistency over time. For haircare, it coats strands to minimize tangles and enhance slip, contributing to a smoother feel during styling and brushing. Its mild, non-greasy profile makes it suitable for everyday personal care items seeking better texture and performance.

Comedogenic Rating 0/5 Low risk of clogging pores

EWG Safety Rating 1 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Binder

Helps hold solid ingredients together to form cohesive tablets, compacts, or sticks, improving pressability, integrity, and wear of the finished product.

Emulsion stabilizer

Improves emulsion robustness by preventing droplet coalescence and phase separation, often by thickening, structuring, or strengthening the interfacial layer.

Hair conditioning

Improves softness, shine, and manageability by reducing friction and static; commonly achieved with cationic agents, silicones, oils, or conditioning polymers.

Benefits

Enhances product cohesion for firmer, longer-lasting solids like sticks and compacts.

Maintains emulsion stability to keep creams and lotions uniform.

Improves hair smoothness and ease of handling by reducing surface friction.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit	Who Should Avoid
Users of makeup preferring durable, non-crumbling formulas.	Those with known allergies to olive oil components.
Individuals with hair seeking better detangling and shine.	Individuals sensitive to fatty alcohol derivatives.
People wanting consistent textures in emulsified skincare.	People preferring fully anhydrous product formats.

Safety Notes

Considered low hazard in cosmetic concentrations.
Non-comedogenic, unlikely to clog pores.

Frequently Asked Questions about Hydrogenated Stearyl Olive Esters

What is Hydrogenated Stearyl Olive Esters?

A stable ester from olive oil fatty acids and stearyl alcohol, used for binding, stabilizing, and conditioning in beauty products.

Is it safe for daily use?

Yes, it poses low hazard in cosmetics and suits most skin types.

Does it clog pores?

No, it has a comedogenic rating of zero.