Formula Focus: Mineral Waterless Sunscreen SPF 50

Mar 19th, 2021
The Hallstar Company
Hallstar
BlackWomanApplyingSunscreenatBeach_850x425

This editor's pick from The Hallstar Company is a waterless mineral sunscreen featuring Hallbrite EZ-FLO ZDX Plus, a highly fluid dispersion leveraging the benefits of photo-protected titanium dioxide with an industry-leading mineral UV filter aesthetic.

According to the company, Hallbrite EZ-FLO ZDX Plus (INCI: Zinc Oxide (58%) (and) Butyloctyl Salicylate (and) Ethylhexyl Methoxycrylene (and) Triceteareth-4 Phosphate (and) Triethoxycaprylylsilane) combines a patented metal oxide coating system with the company's advanced photostability technology.

See related: Feel and Function; Attuning Attributes in Mineral Sunscreens

The ingredient is demonstrated in the following waterless and preservative-free sunscreen. According to the company, three person in vivo testing of this prototype yielded a static SPF 60 in an U.S. lab. In vitro analysis delivered: SPF ~55, PFA (PPD) ~18, UVA1/UV = 0.82 and critical wavelength of 377 nm, offering strong sun protection without oxybenzone or octinoxate.

Mineral Waterless Sunscreen SPF 50

A.
Butyrospermum Parkii (Shea) Butter (and) Elaeis Guineensis (Palm) Butter (and) Cocos Nucifera (Coconut) Oil (and) Simmondsia Chinensis (Jojoba) Seed Oil (and) Curcuma Longa (Turmeric) Root Extract (and) Bisabolol (Biochemica Turmeric Butter, The Hallstar Company/Biochemica)
31.00%
Prunus Amygdalus Dulcis (Sweet Almond) Oil (Biochemical Sweet Almond Oil, The Hallstar Company)
qs to 100.00
Cocos Nucifera (Coconut) Oil (and) Quercus Suber Bark Extract (and) Oak Root Extract (Diam Oléoactif, The Hallstar Company)
1.00
Ethyl Olivate (and) Olea Europaea (Olive) Leaf Extract (Sensolene Light ET, The Hallstar Company)
2.00

Polyhydroxystearic Acid

0.30

Zinc Oxide (58%) (and) Butyloctyl Salicylate (and) Ethylhexyl Methoxycrylene (and) Triceteareth-4 Phosphate (and) Triethoxycaprylylsilane (Hallbrite EZ-FLO ZDX Plus, The Hallstar Company)

18.50
B.
Titanium Dioxide (and) Jojoba Esters (and) Silica (and) Alumina 
13.00
Sorbitan Olivate (Olivem 900, The Hallstar Company)
4.80
Silica
8.00

Procedure: To the main vessel, add A and start mixing, then heat to 80°C. Add B into A and mix until uniform. After 5 min, start cooling batch and when batch is < 70°C, pour into chosen container and cool.

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