Round Lab

Round Lab Birch Juice Moisturizing Sun Stick.

Name: Round Lab Birch Juice Moisturizing Sun Stick
Brand: Round Lab

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Sunscreen

About this product

A broad-spectrum SPF 50 chemical sunscreen stick with moisturizing formula, designed for portable sun protection.

Full ingredients

Water, Coco-Caprylate/Caprate, Dibutyl Adipate, Synthetic Wax, Butyloctyl Salicylate, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer, Butylene Glycol, Ethylhexyl Triazone, Ozokerite, Niacinamide, Vinyl Dimethicone, Polysilicone-15, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Adansonia Digitata Seed Extract (1,045Ppm), Glyceryl Glucoside, Glycerine, Laminaria Japonica Extract, Ulmus Davidiana Root Extract, Aloe Barbadensis Leaf Extract, Viola Mandshurica Flower Extract, Dioscorea Japonica Root Extract, Hyaluronic Acid, Ascorbic Acid, Sodium Hyaluronate, Portulaca Oleracea Extract, Dipotassium Glycyrrhizate, Allantoin, Nonapeptide-1, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Acetyl Hexapeptide-8, Copper Tripeptide-1, Tripeptide-1, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Palmitoyl Tripeptide-5, Palmitoyl Pentapeptide-4, Palmitoyl Hexapeptide-12

Guru Score

Not verified

Score withheld

Not independently verified

2 of the 3 takes here are sponsored by the brand. That leaves a single independent take, which is not enough to verify a score, so we are holding it back rather than publishing a number built on paid reviews. The takes are below, each labeled.

What the gurus are saying

This sun stick is exceptional as an SPF lip balm: experts praise it for no white cast and a hydrating finish that adds subtle glow without greasiness. The formula proves especially beneficial for dry skin, delivering niacinamide, hyaluronic acid, and peptides to smooth and hydrate. Sunscreen sticks tend to skip areas, so use it for targeted application around eyes and lips rather than full body coverage.

Synthesized from 3 expert reviews · most recent take December 2024

What they liked

Glides on smoothly with no white cast
Hydrated, glowing finish without greasiness
Works well as an SPF lip balm

What they flagged

Nothing. None of the experts who reviewed it raised a problem.

Type

SunscreenStick & roll-on

Key actives

Vitamin C Niacinamide Hyaluronic acid PeptidesSPF

Formula notes

Fragrance-freeNo drying alcohol

Where to buy

Ulta → Amazon → Google → iHerb →

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Scan it in the shopFree iPhone app. Scores in the aisle.

What the gurus are saying.

Every take we've logged from this product's reviews across YouTube. Click any row to watch the moment they said it.

All takes Yay takes Nay takes Mixed takes Hide sponsored

AliceintheRabbitHole

59k subs

✓Yay

"This is the Round Lab Birch Juice Moisturizing Sunstick. They changed the packaging since I tried this before, when it was in a little round stick. Personally I like this shape better, it's just a bit faster, and that's a great sunstick, so I'm happy to have that back in my collection."

Dr Dray

2.69M subs

✓Yay

"I really like this product a lot actually, this is great. First of all I love how cute the packaging is. This is a chemical sunscreen. I like using this as an SPF lip balm, it works really well. [...] With sunscreen sticks you need to be careful because they're prone to skip areas, so I don't rely on a sunscreen stick as my body sunscreen if I was going to be out at the beach, but they are really handy for applying around your eyes or your lips."

Sponsored

All 3 takes from Dr Dray

*BEST* Sunscreens For Combination Skin

"The first is the Round Lab Birch Juice Moisturizing Sun Stick. Wow, is this ever good for the lips. It's a broadspectrum sunscreen that does not leave any white cast. It has Avobenzone, Octinoxate, and Titanium Dioxide. It has niacinamide which is going to be beneficial for the lips just like the rest of your face. It also has peptides and hyaluronic acid."

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"I've also been using the stick version of this as an SPF lip balm and rather enjoying that too."

Hyram

4.34M subs

✓Yay

"If you have dry skin, the Round Lab Birch Juice Moisturizing Sun Stick is definitely a great option because it still leaves that invisible finish, there's no white cast, it glides onto the skin very smoothly, but unlike the other, this one leaves a nice hydrated sheen to it to add a little bit of that glow. It doesn't leave the skin greasy, but instead of mattifying, it adds a nice glow. This one is super popular on TikTok as well, SPF 50 protection, and it glides so nicely onto the skin."

What the evidence says.

Independent of what the gurus think, this is what the published research supports about the main active ingredients here.

Vitamin C

Topical vitamin C is an antioxidant with reasonable evidence for dullness and uneven tone. It breaks down in light and air, so how a product is formulated and packaged matters as much as the percentage on the front.

Source: DermNet

Niacinamide

Niacinamide has evidence behind it for redness, uneven tone and supporting the skin barrier, and it is usually well tolerated even by skin that reacts to most things.

Source: DermNet

Humectants and emollients

Ingredients like these draw water into the surface layers and slow how fast it leaves. The evidence is for comfort, softness and hydration rather than for changing the structure of the skin.

Source: DermNet