Quick Summary:
Date Tested: 5/08/2025
In this Round Lab Birch Juice moisturizing tone up SPF 50+ sunscreen lotion review, I find a decent performing SPF 50+ PA++++ korean sunscreen!
The Round Lab Birch Juice moisturizing tone up SPF 50+ sunscreen lotion is a hybrid formulation (contains physical and chemical UV filters) which uses the active ingredients of Titanium Dioxide, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Ethylhexyl Triazone, and Diethylhexyl Butamido Triazone.
The Round Lab Birch Juice moisturizing tone up SPF 50+ sunscreen lotion reduced 92.67% of irradiated UVA, 90.50% UVB, and 92.54% of total UVI. For reference, a very high performing SPF 50 sunscreen typically blocks 95-99% of detected UVA, UVB, and UVI.
Round Lab Birch Juice moisturizing tone up SPF 50+ sunscreen lotion ingredients
Active ingredients: Titanium Dioxide, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Ethylhexyl Triazone, Diethylhexyl Butamido Triazone
Inactive Ingredients: Water, Dibutyl Adipate, Propanediol, Caprylic/Capric Triglyceride, C12-15 Alkyl Benzoate, Caprylyl Methicone, Niacinamide, Glycerin, 1,2-Hexanediol, Pentylene Glycol, Butylene Glycol, Betula Platyphylla Japonica Juice, Sodium Hyaluronate, Hyaluronic Acid, Glyceryl Glucoside, Panthenol, Dipotassium Glycyrrhizate, Allantoin, Portulaca Oleracea Extract, Artemisia Annua Extract, Pinus Sylvestris Leaf Oil, Anthemis Nobilis Flower Oil, Ethylhexylglycerin, Dimethicone/Vinyl Dimethicone Crosspolymer, VP/Eicosene Copolymer, Trisiloxane, Coco-caprylate/Caprate, Sodium Polyacryloyldimethyl Taurate, Ammonium Polyacryloyldimethyl Taurate, Hydroxypropyl Methylcellulose Stearoxy Ether, Dicaprylyl Carbonate, Alumina, Ascorbic Acid, Adenosine, Polyhydroxystearic Acid, Stearic Acid, Dimethiconol, Sodium Polyacrylate, Triethoxycaprylylsilane, PVM/MA Copolymer, Polyether-1, Iron Oxides (CI 77492), Iron Oxides (CI 77491), T-butyl Alcohol, Xanthan Gum
Manufacturers Website: www.roundlab.com
Round Lab Birch Juice moisturizing tone up SPF 50+ characteristics at a glance:
- A moisturizing sunscreen that protects skin from UV damage with chemical filter SPF 50+ PA++++ while offering hydration and soothing care.
- Contains birch tree sap and purslane ingredients as well as Allantoin to hydrate, soothe and cool skin irritated by UV rays.
- Hydrating essence-like texture that gives skin a glowy and pink tone-up finish.
- Reef safe formula, completed skin irritation test.
- Viscosity is medium-low.
Prepared slide BEFORE testing
The Round Lab Birch Juice moisturizing tone up SPF 50+ distributed very nicely. Had a tiny bit of thinning in the center o the slide sample, but nothing to complain about. Looks nice and even to me.
Round Lab Birch Juice moisturizing tone up SPF 50+ sunscreen lotion 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 | 77.1 | 77.84 | |
| UVA | 41904.5 | 3070.75 | 92.67% |
| UVB | 2284.5 | 217 | 90.50% |
| UVI | 24.71 | 1.84 | 92.54% |
Want to know more about how I test sunscreen? Head here to read about the details.
Testing notes:
Good results. Good protection.
Recommended.
Want to try the Round Lab Birch Juice moisturizing tone up SPF 50+ sunscreen lotion?
Protects well!
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