Quick Summary:
Date Tested: 6/21/2026
In this Blue Lizard Mineral SPF 50 Kids sunscreen lotion review, I test a very protective SPF 50 sunscreen. Thanks go to Mollie for this sample!
The Blue Lizard Mineral SPF 50 Kids is a physical sunscreen formula which contains Zinc Oxide at 10% and Titanium Dioxide at 8%.
The Blue Lizard Mineral SPF 50 Kids reduced 96.21% of irradiated UVA, 93.85% UVB, and 96.06% of total UVI. Not too bad at all!

Blue Lizard Mineral SPF 50 Kids ingredients
Active ingredients: Zinc Oxide 10%, Titanium Dioxide 8%
Inactive Ingredients: 1,2-Hexanediol, Alumina, Aluminum Stearate, Aphanizomenon Flosaquae Extract, Butyloctyl Salicylate, C12-15 Alkyl Benzoate, Caprylyl Glycol, Cetyl Dimethicone, Cetyl PEG/PPG-10/1 Dimethicone, Dimethicone, Disodium EDTA, Ethylhexyl Palmitate, Ethylhexyl Stearate, Euphorbia Cerifera (Candelilla) Wax, Glycerin, Hexyl Laurate, Hydroxyacetophenone, Methyl Glucose Dioleate, Octyldodecyl Neopentanoate, PEG-7 Hydrogenated Castor Oil, Polyglyceryl-4 Isostearate, Polyhydroxystearic Acid, Potassium Sorbate, Propanediol, Sodium Benzoate, Tocopherol (Vitamin E), Tocopheryl Acetate, Triethoxycaprylylsilane, Trimethylsiloxysilicate, VP/Hexadecene Copolymer, Water.
Manufacturers Website: www.bluelizardsunscreen.com
Blue Lizard Mineral SPF 50 Kids characteristics at a glance:
- SPF 50 broad-spectrum UVA/UVB protection
- 100% mineral active ingredients (Zinc Oxide and Titanium Dioxide)
- Up to 80 minutes water resistance
- Infused with Blue Algae
- Paraben-free
- Pediatrician-loved
- Designed for children’s sensitive skin
- Head-to-toe sun protection
- Viscosity is Medium-low
Prepared slide BEFORE testing
The Blue Lizard Mineral SPF 50 Kids distributed unevenly on the prepared slide sample, and had major thinning towards the center of the slide sample. This is likely due to the low-viscosity of the formula.

Blue Lizard Mineral SPF 50 Kids UV blocking test results
Ultraviolet light quick reference:
UVA: The Ultraviolet wavelength from 315nm – 400nm. The “Aging UV light” – Causes wrinkles.
UVB: The Ultraviolet wavelength from 280nm – 315nm. The “Bad UV light” – Causes skin cancer.
UVI: The global sun UV index. The more a sunscreen can reduce the level of UVI, the better.
UV test results:
Ultraviolet sensor readings:
| Before Sunscreen | After Sunscreen | % UV Blocked | |
|---|---|---|---|
| TEMP | 77.65 | 77.0575 | |
| UVA | 34,879.5 | 1,321 | 96.21% |
| UVB | 2,107 | 129.5 | 93.85% |
| UVI | 20.695 | 0.815 | 96.06% |
Want to know more about how I test sunscreen? Head here to read about the details.
Testing notes:
A fantastic sunscreen which provides great UV blocking protection!
Want to try the Blue Lizard Mineral SPF 50 Kids?
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