Obagi Medical Sun Shield Matte SPF 50 (silver tube) sunscreen lotion

Quick Summary:

Date Tested: 3/05/2024

In this Obagi Medical Sun Shield Matte SPF 50 sunscreen lotion review, I test a high performing hybrid sunscreen.

The Obagi Medical Sun Shield Matte SPF 50 sunscreen is a hybrid of both chemical and physical based UV filters containing the active ingredients Homosalate at 10%, Octisalate at 5%, and Zinc Oxide at 16.5%.

The Obagi Medical Sun Shield Matte SPF 50 lotion did an exceptional job blocking UVA by 99.93%, filtering UVB by 99.18%, and cutting down total UVI by 99.89%. It is a very high performing hybrid sunscreen formulation.

Obagi Medical Sun Shield Matte SPF 50 sunscreen lotion ingredients


Active ingredients: Homosalate (10%), Octisalate (5%), Zinc Oxide (16.5%).

Inactive Ingredients: Aqua/water/eau, C15-19 alkane, octyldodecyl neopentanoate, polymethylsilsesquioxane, sorbitan olivate, silica, polyglyceryl-6 polyrininoleate, sodium chloride, xanthan gum, glycerin, hydroxyacetophenone, disodium EDTA, 1,2-hexanediol, caprylyl glycol, sodium hydroxide, triethoxycaprylsilane, polyhydroxystearic acid, disteardimonium hectorite, polyglyceryl-2 isostearate, euphorbia cerifera (candelilla) wax, beeswax, dimethicone.

Manufacturers Website: www.obagi.com

Obagi Medical Sun Shield Matte SPF 50 sunscreen lotion characteristics at a glance:

  • High SPF 50 protection includes physical and chemical sunscreen ingredients
  • Versatile, elegant sun protection lotion
  • Dries with a sheer matte finish. Suitable for all skin types.
  • Non-comedogenic. Allergy & dermatologist tested.
  • Fragrance free. Made without parabens.
  • Viscosity is high.

Prepared slide ready for testing

The Obagi Medical Sun Shield Matte SPF 50 has a high viscosity and seems a bit thick. This would explain the results in testing. Typically, the thicker a sunscreen formulation, the better the results.


Obagi Medical Sun Shield Matte SPF 50 sunscreen lotion UV blocking test results

Sunscreen Testing Results. The blocking ability for UVA, UVB, and UVI are shown above as percentages.

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 69.8 70.73
UVA 48246.5 33.5 99.93%
UVB 2314.5 19 99.18%
UVI 28.25 0.03 99.89%

Want to know more about how I test sunscreen? Head here to read about the details.

Testing notes:

A very high performing sunscreen in testing, but this could be due to the thick nature of the formulation in between the slide and slide cover. Although I haven’t tried it myself, I could see this lotion not feeling very light on the skin.

Want to try the Obagi Medical Sun Shield Matte SPF 50 sunscreen lotion?

Rating: 5 out of 5.

High performing sunscreen!


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