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Sunscreen Protection with Z-Cote

Simply Zinc (Kids)


Natural SPF 30

A natural sunscreen stick featuring Z-COTE®, which provides effective UVA and UVB protection with a non-greasy, powdery feel. This formulation offers easy application, making it possible to keep kids protected throughout the day.

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Phase Ingredients INCI % By Weight Function
A Cet... Coco... 1... Emol...
Myr... Capr... 2... Emol...
Cet... Dica... 1... Emol...
Cet... Buty... 3... Skin...


Appearance: Pass


SPF in vivo: 30
(FDA rule - in vivo determination of the sun protection factor)

Manufacturing Process

1. Combine phase A and heat to 95-100C while mixing, until solids melt.

2. Heating oil to very high temperatures, work on a batch at a time, monitor temperature closely to avoid overheating.

3. Add phase B, mix for a few minutes to displace air pockets and disperse powder, then homogenize until uniform.

4. Continue to mix and cool down slowly

5. Hot pour into sunscreen stick component at ~67 C.

6. Do not touch or move sticks after hot pour step, let them solidify slowly overnight.

SPF in vivo

In vivo SPF pre-screen study 3 subject panel at Cantor Research Labs (FDA rule – in vivo determination of the sun protection
factor) – 30


While the descriptions, designs, data and information contained herein are presented in good faith and believed to be accurate, it is provided gratis and for your guidance only. Because many factors may affect processing or application /use, we recommend that you make tests to determine the suitability of a product for your particular purpose prior to use. NO WARRANTIES OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE MADE REGARDING PRODUCTS DESCRIBED OR DESIGNS, OR THAT DATA OR INFORMATION MAY BE USED WITHOUT INFRINGING THE INTELLECTUAL PROPERTY RIGHTS OF OTHERS. IN NO CASE SHALL THE DESCRIPTIONS, INFORMATION, DATA OR DESIGNS PROVIDED BE CONSIDERED A PART OF OUR TERMS AND CONDITIONS OF SALE. For more information visit us at or

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