
Zo Skin Health Zein Obagi Sunscreem + Primer Broad - Spectrum SPF 30 is a product with 46 ingredients: Cyclopentasiloxane, Zinc Oxide, Dimethicone, Dimethicone Crosspolymer, PEG-10 Dimethicone, Phenyl Trimethicone, Dimethicone/Vinyl Dimethicone Crosspolymer, Titanium Dioxide, Glycyrrhiza Uralensis (Licorice) Root Extract, Helianthus Annuus (Sunflower) Oil and 36 more.
Contains: Vitamins - Tocopheryl Acetate, Ascorbic Acid (Vitamin C), Retinyl Palmitate (Vitamin A Palmitate); Antioxidant - Centella Asiatica Leaf Extract, Glycine Soja (Soybean) Seed Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Tocopheryl Acetate, Ascorbic Acid (Vitamin C), Tocopherol;
Organic score: 33% natural, 57% chemical. Vegan - No; Cruelty free - No; Reef safe - Yes;
Positive effects
Concerns
INCI - Full Breakdown
Cyclopentasiloxane is a fluid silicone. It’s non-greasy and doesn’t have any scent or color. It evaporates pretty fast which makes this ingredient essential when it comes to making products that have to dry quickly. It also gives a nice silky feeling when you apply the product to the skin and hair. It leaves a thin film that protects the skin after evaporation.
Cyclopentasiloxane is chemically neutral, meaning it doesn’t react with other components.

Zinc Oxide is a great physical sunscreen, meaning it deflects the UV rays. It’s the only natural mineral sun protector recommended by the FDA for babies. It’s good for sensitive skin because it’s less irritating than chemical sunscreens.
It has very nice spectrum protection. It helps to protect from UVA I, UVA II, and UVB and nowadays it’s the broadest range of sunscreen used in cosmetics. In other words, it’s brilliant in its league.
The negative side is that it can feel heavy on the skin. It can leave a slight whitish tint on the surface of the skin and some people may not like this. Keep in mind that it’s relatively easy to wash off, so it’s better to use water-resistant sunscreens if you are swimming.
Dimethicone is the most popular silicone. It makes the skin softer and forms a film adding smooth and silky feeling. This film not only improves how the skin feels but also works as a protective barrier. It also improves the visual appearance of your skin by filling small wrinkles. That's why some people think dimethicone removes wrinkles. Actually, it does not. It's just a visual effect.
One of the most important characteristics of this component is that it helps to spread other ingredients evenly on the surface to provide good coverage. It's very important because you want all your skin cells to receive an equal proportion of the components.
Dimethicone is considered as safe, but remember that it is rather difficult to wash off! This may lead to clogged pores and acne if you use it too often and don't wash off quite well.
Titanium Dioxide is a very effective sunscreen. It belongs to physical sunscreens, meaning it reflects the UV rays like a mirror. The component is a mineral with white color. That’s why it’s also used in different powders as a pigment or brightener.
The component can be both safe and unsafe. It’s reported to be possibly carcinogenic to humans when inhaled. That’s why we don’t recommend using products where TiO2 is used in the form of powder and can be inhaled.
Sometimes it can be a nanoparticle. We recommend avoiding this form because it’s not researched well enough. A safer option is to use a non-nano form.
Helianthus Annuus (Sunflower) Oil is an ingredient known from ancient times. It’s the oil people receive from Sunflower Seeds and use for different purposes, including cooking. It contains a lot of Lenoic acid which moisturizes the skin, makes it softer, and reduces inflammation. The oil also works as an occlusive agent that forms a protective film and helps to keep skin hydrated.
As for haircare, it’s the second most popular basic oil used in haircare products. It helps to lower hair fragility and make hair softer.
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