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Sun Bum Mineral SPF 50 Sunscreen Face Stick in yellow twist-up tube with Sonny mascot

Mineral SPF 50 Sunscreen Face Stick

Surf Session Staple

drugstore Paraben Free Cruelty Free Vegan
71/100
DermFND score
Ingredient quality
7.5
Value for money
7.3
Suitability breadth
5.3
Irritation risk
Med
$14.49
0.45 oz
4.2
4,000 customer ratings (Amazon)
Data confidence
High confidence
4,000+ aggregated reviews · INCI confirmed
Made in
United States
Launched
2017
Best season
spring-
PAO
12 mo.
after opening
Certifications
PETA Certified Cruelty-Free
+6 more
Alex Brufsky
Alex Brufsky Founder & Editor
Analysis by DermFND · Last verified May 2026 · Methodology
Verified reviewer
01 · Quick read

Pros & cons.

What we love
  • +High 19.2% zinc oxide provides robust broad-spectrum UVA/UVB protection from a single mineral filter
  • +Hands-free stick format enables quick reapplication without mirrors or clean hands
  • +80-minute water resistance for surfing, swimming, and outdoor sports
  • +Nourishing plant oil and butter base conditions skin during sun exposure
  • +Bisabolol and vitamin E provide soothing and antioxidant support
  • +Compact TSA-compliant size for travel and pocket carry
What to know
  • Visible white cast at 19.2% zinc that's difficult to fully blend on medium to dark skin
  • Contains fragrance despite some misleading fragrance-free retailer claims
  • Coconut oil and cocoa butter base is highly comedogenic for acne-prone skin
  • Small 0.45 oz stick depletes quickly during regular summer use
  • Stick hardens in cool temperatures making application stiff and uncomfortable
  • High per-ounce cost at approximately $32/oz
02 · Editorial analysis

The full review.

Some sunscreens are made for morning routines, while others belong in a glove compartment, a beach bag, or a boardshorts pocket. The Sun Bum Mineral SPF 50 Face Stick fits this second category; evaluating it otherwise misses the point.

This mineral stick uses 19.2% zinc oxide—a high concentration that ranks it among the higher-zinc face sticks available. Most mass-market mineral sticks use dual minerals, combining zinc oxide and titanium dioxide at lower individual concentrations to split UV protection duties. Sun Bum uses only zinc, providing broad UVA and UVB coverage from one active. This concentration works for outdoor athletes and surf culture devotees needing reliable mineral-only protection during long sun exposure.

The stick format is the main selling point. You apply it without clean hands, a mirror, or the thirty-second blending routine required by lotions. The stick goes where lotions cannot: between surf sets, at hiking trail tops, or during beach volleyball timeouts. It is 80-minute water resistant, the maximum FDA rating, and the waxy base stays put through splashing and light sweating.

The base formula uses natural plant oils and waxes. Coconut oil is the first inactive ingredient and provides the emollient matrix for a smooth glide. Avocado oil, meadowfoam seed oil, linseed oil, and safflower oil add nourishment. Shea butter and cocoa butter add structure, while rice bran wax, candelilla wax, and carnauba wax create the solid form. It is essentially a nourishing balm with a high dose of zinc oxide.

The texture is waxy and buttery. In warm conditions—the intended environment for this product—the stick glides on and melts into skin on contact. In cooler temperatures, it stiffens and requires pressure to deposit product, which can feel uncomfortable on sunburned skin. Warming the stick between your palms for a few seconds helps.

White cast is unavoidable. With 19.2% zinc oxide in a wax-and-oil base without silicones to aid blending, this stick leaves a visible white layer that requires rubbing to minimize. On lighter skin tones, the cast fades to a faint sheen with effort. On medium to dark skin tones, it remains visible. For surfers who view zinc-striped noses as an aesthetic, this is a feature. For those expecting cosmetic invisibility, it is a dealbreaker.

The scent is worth noting. Some retail listings call this product fragrance-free, but the INCI list includes ‘Fragrance’ as an ingredient. The coconut oil base provides a tropical aroma, and the added fragrance adds a subtle sweetness. If you want strictly fragrance-free mineral protection, this does not qualify, despite what some retailer spec sheets claim.

The comedogenicity of the base formula is a concern. Coconut oil (comedogenicity rating 4 out of 5) and cocoa seed butter (rating 4) are near the top of the pore-clogging spectrum. This matters less for targeted application on the nose, ears, and cheekbones during outdoor activities, as you are not spreading it across your entire T-zone daily. However, do not use this as a primary daily face sunscreen; the base formula prioritizes emolliency and water resistance over pore compatibility.

Bisabolol—a chamomile-derived anti-inflammatory—and tocopherol (vitamin E) provide soothing and antioxidant support. These small additions reflect attention to what sun-exposed skin needs beyond UV blocking.

At $14.49 for 0.45 ounces, the cost is approximately $32 per ounce. If you use this regularly during summer, you will finish it in two to four weeks, and the annual cost adds up. Stick sunscreens are more expensive per ounce due to their format, but Sun Bum’s pricing is competitive within the mineral stick category.

The Sun Bum Mineral SPF 50 Face Stick does its job: it delivers high-zinc mineral protection in a pocket-sized, hands-free format for people outdoors or in the water who need quick reapplication. It is not a daily sunscreen, a makeup primer, or an elegant morning routine step. It keeps your nose from burning during a three-hour surf session. On that specific brief, it delivers.

Formula


03 · INCI · disclosed by brand

Ingredient analysis.

Ingredient Role Evidence Flag
Zinc Oxide](/ingredients/zinc-oxide) (19.2%)
The sole UV filter at a robust concentration, providing true broad-spectrum UVA and UVB protection by physically reflecting and scattering UV radiation — no chemical filter backup means this zinc oxide does all the work in this formula.
Well Established
OK
The primary emollient base that gives the stick its smooth glide and melting texture on skin contact, providing moisturization for sun-exposed skin while helping the zinc oxide distribute evenly across the application area.
Well Established
OK
Rich in oleic acid and vitamins A, D, and E, providing additional nourishment and emolliency that enhances the stick's skin-conditioning properties beyond simple sun protection.
Well Established
OK
A chamomile-derived anti-inflammatory agent that soothes skin during and after sun exposure, helping to calm any irritation from UV exposure or the physical friction of stick application.
Well Established
OK
Full INCI list

Active Ingredient: Zinc Oxide 19.2%. Inactive Ingredients: Cocos Nucifera (Coconut) Oil, Persea Gratissima (Avocado) Oil, Limnanthes Alba (Meadowfoam) Seed Oil, Linum Usitatissimum (Linseed) Seed Oil, Oryza Sativa (Rice) Bran Wax, Euphorbia Cerifera (Candelilla) Wax, Butyloctyl Salicylate, Copernicia Cerifera (Carnauba) Wax, Ozokerite, Butyrospermum Parkii (Shea Butter), Oryzanol, Fragrance, Theobroma Cacao (Cocoa) Seed Butter, Carthamus Tinctorius (Safflower) Seed Oil, Jojoba Esters, Tocopherol, Bisabolol

Product flags
✗ Fragrance Free ✓ Alcohol Free ✗ Oil Free ✓ Silicone Free ✓ Paraben Free ✓ Sulfate Free ✓ Cruelty Free ✓ Vegan ✗ Fungal Acne Safe
Potential irritants
FragranceButyloctyl SalicylateCommon AllergensFragranceCoconut Oil (tree nut derivative)
04 · Compatibility

Skin match.

Pairs well with
Regular facial sunscreen (use stick for targeted reapplication on nose and ears)Moisturizer (apply underneath for dry skin)Setting powder (to reduce white cast)
Skin types
Best for
normaldry
Works for
combinationsensitive
Not ideal for
oily
Addresses conditions
Caution for
05 · Evidence

The science.

The Science

This stick uses 19.2% zinc oxide as its only UV filter, offering one of the most comprehensive single-ingredient UV protection profiles. Zinc oxide covers the full UVB (290-320 nm) and UVA (320-400 nm) spectrum. It absorbs strongly in the UVA-I range (340-400 nm), where many other mineral and chemical filters underperform. At 19.2%, this concentration sits at the high end for consumer sunscreens and provides a safety margin for real-world protection.

The wax-and-oil base changes how UV filters perform. Research in the International Journal of Pharmaceutics shows the vehicle influences how mineral UV filters distribute on the skin and how uniformly the protective film forms. Oil-and-wax bases like this one create thicker, more uneven films than emulsion-based formulas, so on-skin protection varies based on application technique. The FDA recommends applying stick sunscreens in multiple back-and-forth passes because a single swipe fails to create the uniform film needed for labeled SPF protection.

The 80-minute water resistance claim follows FDA protocol (the waterproof/sweatproof test), so the product maintains its labeled SPF after 80 minutes of water immersion. The hydrophobic wax-and-oil base helps this water resistance by creating a film that resists water washoff better than water-based emulsions.

Bisabolol (alpha-bisabolol), from chamomile, shows anti-inflammatory properties in multiple studies, including inhibiting pro-inflammatory cytokines and reducing UV-induced erythema. In an after-sun context, this provides documented, modest soothing alongside UV protection.

Dermatologist Perspective

Dermatologists favor zinc-oxide-only mineral sunscreens for their broad-spectrum coverage and gentle mechanism of action. The 19.2% concentration in this stick is robust and provides reliable protection that dermatologists consider adequate for high-UV-exposure activities. Board-certified dermatologists note the stick format has advantages and limitations: it works well for targeted reapplication on high-exposure zones (nose, ears, lips) but is hard to apply in enough quantity for full-face coverage. The main caveat dermatologists raise is application technique—studies show consumers under-apply stick sunscreens, getting significantly less than the labeled SPF. For patients using this as primary sun protection, dermatologists emphasize using multiple overlapping passes and thorough rubbing. The coconut oil base concerns acne-prone patients, so dermatologists recommend this primarily for targeted outdoor use rather than daily full-face application.

06 · Where it fits

Where it fits in your routine.

AM routine
01 Gentle cleanser
02 Moisturizer
03 Facial sunscreen (full coverage)
04 THIS PRODUCT (targeted areas: nose, ears, lips)
PM routine
01 Oil cleanser (to remove)
02 Gentle cleanser
03 Treatment serum
04 Moisturizer
How to use

Apply to dry skin, targeting high-exposure areas: nose, cheeks, ears, forehead, and lips. Use 3-4 back-and-forth passes per area to reach SPF 50 protection. Rub in with fingertips. Use a lotion sunscreen for full-face coverage and the stick for targeted touch-ups. Reapply every 2 hours in the sun, or after swimming, heavy sweating, or toweling off. If the stick feels stiff in cool weather, warm it between your palms for a few seconds before use.

Value assessment

At $14.49 for 0.45 ounces (~$32/oz), the per-ounce price is high, but this is standard for mineral sticks. Sun Bum's pricing is competitive within this category; other mineral face sticks cost $12-18 for similar sizes. The stick format costs more per ounce than lotion sunscreens because of manufacturing and the wax-based formula. For targeted reapplication during outdoor activities, one stick lasts 2-4 weeks of regular use. This puts the summer-season cost at roughly $30-60. The value is strongest if you use this to supplement your primary sunscreen rather than replace it.

Who should buy

Surfers, hikers, beach-goers, and outdoor athletes need a convenient, water-resistant mineral sunscreen for on-the-go reapplication. This high-zinc mineral protection works in a pocket-friendly format for use without a mirror or clean hands.

Who should skip

This sunscreen is not a daily cosmetically elegant option; the white cast and waxy texture make it impractical. Acne-prone skin types should avoid it because the coconut oil and cocoa butter base is highly comedogenic. People requiring strictly fragrance-free products should look elsewhere, despite some retailer claims.

07 · The fine print

Product details.

Texture

Waxy solid melts on contact with warm skin. The coconut oil and shea butter base feels smooth and emollient. It feels stiff in cooler temperatures and needs more pressure to apply. It sets to a semi-matte finish once absorbed.

Scent

Natural coconut oil provides a subtle coconut scent, while added fragrance adds a light tropical aroma. It is not overpowering and dissipates within minutes of application.

Packaging

Standard twist-up sunscreen stick in Sun Bum's signature yellow tube with the Sonny mascot. Compact and travel-friendly. TSA-compliant size. Recently updated packaging design.

First use

The first application glides smoothly with a waxy feel that melts into skin on contact. The coconut-rich base feels nourishing, not clinical. A visible white cast shows and needs 30-60 seconds of rubbing to minimize. The stick deposits enough product per swipe for targeted areas like the nose and ears.

How long it lasts

Apply daily to the nose, ears, and cheeks for 2-4 weeks; full-face coverage takes less time.

Period after opening

12 months

Best season

spring summer

Finish
mattesatin
Certifications
PETA Certified Cruelty-FreeLeaping Bunny CertifiedHawaii Act 104 CompliantVeganGluten-FreeParaben-FreeWater Resistant (80 minutes)
08 · Behind the formula

The backstory.

The Mineral SPF 50 Face Stick was part of Sun Bum's mineral line expansion around 2017, developed as a convenient on-the-go reapplication tool for the surf and outdoor community. The stick format reflects the brand's practical, action-sport DNA — something you can throw in a boardshort pocket and swipe on between sets without needing to wash your hands.

About Sun Bum

Established Brand (5–20 years)

Sun Bum launched in 2010 in Cocoa Beach, Florida and SC Johnson acquired it in 2019. The brand has PETA and Leaping Bunny dual-certified cruelty-free status and sells in surf/outdoor, drugstore, and beauty retail channels.

Brand founded: 2010 · Product launched: 2017
09 · Setting the record straight

Common myths.

Myth

Stick sunscreens provide the same protection as lotions if you swipe them on.

Reality

Stick sunscreens need multiple passes over each area to reach the labeled SPF protection. The FDA recommends applying stick sunscreens in multiple layers. One swipe does not provide SPF 50 protection — use 3-4 back-and-forth passes per area and rub in thoroughly.

Myth

This stick is fragrance-free because it uses natural coconut oil.

Reality

Some retailer listings claim fragrance-free, but the INCI list includes 'Fragrance' as a separate ingredient next to the coconut oil. Both the natural coconut oil and an added fragrance component create the scent.

10 · Common questions

FAQ.

Does the Sun Bum Mineral SPF 50 Face Stick leave a white cast?

Yes — the 19.2% zinc oxide stick leaves a noticeable white cast that needs thorough rubbing to minimize. It blends well on lighter skin tones but stays visible on medium to dark complexions. Applying thin layers and rubbing in each pass reduces the cast.

Is the Sun Bum Mineral Face Stick good for surfing?

Yes — the stick format works for this use case. It is 80-minute water resistant, applies without clean hands, and the 19.2% zinc oxide concentration provides a robust physical barrier. Apply multiple passes over nose, ears, and cheeks before going out, then reapply between sessions.

Is the Sun Bum Mineral Face Stick safe during pregnancy?

Zinc oxide UV filters are pregnancy-safe, but this formula contains butyloctyl salicylate—a salicylate ester some pregnancy-cautious sources flag. It also has added fragrance. Consult your healthcare provider before using this during pregnancy.

How many swipes of the stick do I need for proper protection?

The FDA recommends applying stick sunscreens with 3-4 back-and-forth passes per zone (nose, each cheek, forehead, ears). One swipe lacks enough product for the labeled SPF 50 protection. Rub in thoroughly after application.

Is the Sun Bum Mineral Face Stick really fragrance-free?

No — some retailer descriptions claim it is fragrance-free, but the INCI list includes 'Fragrance' as a separate ingredient. The product has a subtle coconut scent from the natural coconut oil base and the added fragrance. This is not the right choice if you need strictly fragrance-free sun protection.

Community

11 · Real-world signal

What the community says.

Common praise

"Easy mess-free application perfect for on-the-go reapplication"

"Travel-friendly TSA-compliant size for carry-on bags"

"Effective targeted sun protection for nose, ears, and lips"

"Pleasant subtle coconut scent from the natural oil base"

"Smooth glide on application with nourishing oil and butter base"

"Zinc-oxide-only formula appeals to those avoiding chemical UV filters"

Common complaints

"Noticeable white cast that requires significant rubbing to minimize"

"Small stick size runs out quickly when used for full-face coverage"

"Stick can harden in cool temperatures making application difficult"

"Contains fragrance despite some retailer listings claiming fragrance-free"

"Coconut oil and cocoa butter base can cause breakouts on acne-prone skin"

"High per-ounce cost at approximately $32/oz"

Notable endorsements
PETA Certified Cruelty-FreeLeaping Bunny CertifiedHawaii Act 104 Compliant80-minute water resistance
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