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Zinc Oxide low-micron 5 g

A Practical Way to Test Physical Sunscreen Formulas at Home

Low-micron zinc oxide is a physical, broad-spectrum UV filter that works by reflecting and scattering solar radiation rather than absorbing it deep into the skin. Its reduced particle size means it blends into skin with far less whitening cast compared to conventional coarse-grade zinc oxide, which is why formulators rely on it for sunscreen lotions, daily moisturizers with SPF, mineral BB and CC creams, and tinted sun-protective makeup. This ingredient belongs to the UV and SPF Filters for Cosmetics category, and the 5 gram size is a practical choice for home formulators and small trial batches before scaling up a recipe.

The primary industrial use of low-micron zinc oxide is sun protection for face and body, including gentle formulas for children and sensitive skin, since it tends to be less irritating than chemical UV absorbers. Beyond sunscreens, this powder appears in mattifying face powders, mineral makeup bases, protective barrier balms, and various household chemical products where oil absorption and skin-soothing properties are valued. It also finds application in pharmaceutical and food-related manufacturing, though the low-micron grade specifically is prized in cosmetic formulation for its transparency on skin.

Zinc oxide pairs well with other UV filters, boosting overall SPF and broadening the range of radiation absorbed. It is commonly combined with the water-soluble titanium filter SENSASCREEN Titan WTI for lightweight emulsion textures, and with the organic UVA absorber Avobenzone to cover the full spectrum of solar radiation. To improve texture and reduce a greasy after-feel, many formulators add the mattifying powder Matlake OPA, which absorbs excess sebum and leaves a more comfortable finish on the skin.

Zinc oxide should be introduced into the oil phase during the dispersion stage, at a temperature not exceeding 60-70 degrees Celsius, with thorough mixing to ensure even particle distribution and no clumping. A typical usage level in a finished formula ranges from 5 to 20 percent depending on the desired protection factor. Pre-dispersing the powder in a small amount of carrier oil before adding it to the batch helps achieve a smoother result. Store the raw material in a dry place away from direct light, in a tightly sealed container, to prevent moisture absorption and clumping over time.

Lightweight Mineral Sun Lotion

Low-micron zinc oxide 9 g

Sweet almond oil 18 g

Cetearyl alcohol emulsifier 5 g

Distilled water 60 g

Aloe vera gel 5 g

Vitamin E 1 g

Geranium essential oil 2 drops

Warm the almond oil together with the emulsifier over a water bath to about 65 degrees Celsius until fully melted. In a separate container heat the distilled water and aloe vera gel to the same temperature. Remove the oil phase from heat and gradually sift in the zinc oxide, stirring vigorously with a whisk or hand blender until fully dispersed and free of lumps. Slowly pour the water phase into the oil phase while continuing to mix until a stable lotion forms. Once cooled to around 40 degrees Celsius, blend in the vitamin E and geranium oil, then transfer the lotion into a clean bottle for storage.

Date:

today

Author:

Володимир, Першотравенск

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1 September

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INCI	Zinc oxide, low-micron
Other
Color product	White powder
Features	All information presented on the site is for reference only
Input percentage	from 1 to 60%
Minimum count	1
Name	Zinc Oxide low-micron 5 g
Packaging	container for transportation
Solubility	insoluble, used in dispersion