EltaMD UV Sheer vs ROUND LAB Birch Mild-Up Sunscreen UVLock SPF 50 Broad Spectrum

EltaMD

ROUND LAB

A sunscreen built around Mineral sunscreen and Chemical sunscreen, for barrier repair and hydration.

A sunscreen built around Mineral sunscreen and Hyaluronic acid, for hydration and barrier repair.

Sunscreen

22 ingredients

32 ingredients

Brand price

Not recorded

Brand price

USD 24.99 · checked 25 Sept 2026 · brand's site

No retailer listed yet

At a Glance

They come out differently on Fragrance-free, Pore-clogger-free and Reef-safe; those rows are shaded. Tap any answer to see why.

Mineral sunscreen1
Uses zinc oxide or titanium dioxide to absorb and scatter UV rays.
Zinc Oxide
Chemical sunscreen1
Organic UV filters that absorb UV and release it as heat.
Octocrylene
Sunscreen2
Any ingredient acting as a UV filter.
Octocrylene, Zinc Oxide
Face oil1
An oil formulated to be used on the face.
Squalane

Mineral sunscreen1
Uses zinc oxide or titanium dioxide to absorb and scatter UV rays.
Zinc Oxide
Sunscreen1
Any ingredient acting as a UV filter.
Zinc Oxide
Vitamin E1
Tocopherols — fat-soluble antioxidants.
Tocopherol
Vitamin C (L-ascorbic acid)1
L-ascorbic acid, the unesterified form of vitamin C.
Ascorbic Acid

Hydrating3
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Hyaluronic Acid, Squalane
Barrier Repair4
Strengthens and restores the skin's natural barrier.
Isododecane, Isohexadecane, Squalane, Zinc Oxide
Reduces Irritation1
Eases discomfort and supports skin resilience.
Zinc Oxide
Smoothing3
Refines rough or uneven texture.
Isododecane, Isohexadecane, Squalane

Hydrating9
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Cryptomeria Japonica Leaf Extract, Glycerin, Glyceryl Glucoside, Hyaluronic Acid, Propanediol, Saccharomyces Ferment Filtrate, Sodium Hyaluronate, Tocopherol
Barrier Repair7
Strengthens and restores the skin's natural barrier.
Caprylyl Glycol, Cyclohexasiloxane, Glycerin, Glyceryl Caprylate, Isododecane, Tocopherol, Zinc Oxide
Reduces Irritation1
Eases discomfort and supports skin resilience.
Zinc Oxide
Anti-Aging1
Softens lines and helps skin look youthful.
Ascorbic Acid

May Worsen Seborrheic Dermatitis5
May feed the yeast involved in seborrheic dermatitis.
Butyloctyl Salicylate, Polyacrylate Crosspolymer-6, Polyhydroxystearic Acid, Polysorbate 60, Tetrahexyldecyl Ascorbate
May Worsen Oily Skin1
May increase shine or excess oil.
Squalane

May Trigger Acne1
Can clog pores or trigger breakouts.
Tocopherol
May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Butyloctyl Salicylate, Disteardimonium Hectorite, Lauryl Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Tocopherol
May Worsen Irritation3
May cause stinging, redness or sensitivity.
Anthemis Nobilis Flower Oil, Pinus Sylvestris Leaf Oil, Tocopherol

Show highlights for:

Zinc Oxide (in both products)
UV Filter
1 / 0
- Mineral sunscreen
- Sunscreen
- Reduces Irritation
- Sun Protection
Octocrylene
UV Filter
0-1 / —
- Chemical sunscreen
- Reef-unsafe UV filter
- Sunscreen
- Sun Protection
Water (in both products)
Skin Conditioning
Hyaluronic Acid (in both products)
Humectant
- Hyaluronic acid
- Hydrating
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
Phenoxyethanol
Preservative
0 / —
Ethylhexylglycerin (in both products)
Skin Conditioning
Sodium Hydroxide
Buffering
0 / —
Butyloctyl Salicylate (in both products)
Skin Conditioning
- Fatty alcohols (Malassezia)
- May Worsen Seborrheic Dermatitis
Isododecane (in both products)
Emollient

Water (in both products)
Skin Conditioning
Zinc Oxide (in both products)
UV Filter
1 / 0
- Mineral sunscreen
- Sunscreen
- Reduces Irritation
- Sun Protection
Isododecane (in both products)
Emollient
Caprylyl Methicone
Skin Conditioning
- Silicones
Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone
Skin Conditioning
0-1 / —
- Silicones
Methyl Trimethicone
Skin Conditioning
- Silicones
Disteardimonium Hectorite
Light Stabilizer
- Fatty alcohols (Malassezia)
- May Worsen Seborrheic Dermatitis
Sodium Hyaluronate
Humectant
0 / 0
- Hyaluronic acid
- Hydrating
Hyaluronic Acid (in both products)
Humectant
- Hyaluronic acid
- Hydrating
Betula Platyphylla Japonica Juice
Skin Conditioning

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Zinc Oxide
Antimicrobial, Bulking, Colorant, Light Stabilizer, Oral Care, Skin Protecting, UV Absorber, UV Filter
Zinc Oxide is a mineral UV filter.
Learn more about Zinc Oxide →
Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →
Hyaluronic Acid
Antistatic, Humectant, Moisturising, Skin Conditioning
Hyaluronic Acid is a hyaluronic acid.
Learn more about Hyaluronic Acid →
Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →
Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →
Butyloctyl Salicylate
Hair Conditioning, Skin Conditioning, Solvent
Butyloctyl Salicylate isn't fungal acne safe.
Learn more about Butyloctyl Salicylate →
Isododecane
Perfuming, Emollient, Solvent
2,2,4,6,6-Pentamethylheptane; Hydrocarbons, C4, 1,3-butadiene-free, polymd., triisobutylene fraction, hydrogenated
Learn more about Isododecane →
Triethoxycaprylylsilane
Binding
Silane, triethoxyoctyl-
Learn more about Triethoxycaprylylsilane →