Cien sun Ultra sensitive spf 50
Works for
Sun protectionSPF 50 · 3 UV filtersBroad spectrum
This product offers a good level of protection against both UVB and UVA rays.
This sunscreen uses organic (so-called "chemical") sunscreen filters. Organic, or "chemical" filters usually provide reliable sun protection and rarely leave a white cast. Sunscreens with organic filters can sting eyes.
This product can be considered "reef safe" because it does not contain the UV filters (oxybenzone and octinoxate) that can be harmful to coral reefs when present in the water in high concentrations.
Anti-agingNo ingredient credited for this claimWorks well
“It protects the skin against premature aging. It is also resistant to water. UVA and UVB protection. Suitable for sensitive skin.”
This product can help prevent early signs of skin aging because it offers a good level of broad spectrum sun protection. Sun damage is the main cause of premature skin aging, and protecting your skin from the sun is the best anti-aging strategy.
Evens skin toneSide benefit · No ingredient credited for this claimWorks well
This product offers broad spectrum sun protection. It means that it can prevent hyperpigmentation and help keep the skin tone even (sun damage is the main factor causing age spots, darkening of post-acne marks and other discolorations).
Can it cause trouble?
Irritancy8 flagged ingredientsLow risk
ComedogenicClean of flagged comedogenic ingredientsNone flagged
User reviews
Be the first — your take helps the next person decide.
Ingredients
Filter by role to see what each ingredient is doing.
Acacia senegal gum~23–34%
- Irritation risk
- Medium
Helps mask the small of other ingredients and improve the product texture
More about Acacia senegal gumBis-ethylhexyloxyphenol methoxyphenyl triazine~5.7–8.6%
- Irritation risk
- Medium
Tinosorb S. One of the most effective broad spectrum sunscreen ingredients. Protects from both UVA and UVB rays. It is photostable. Approved by the US FDA in 2026 (listed as bemotrizinol on US labels).
More about Bis-ethylhexyloxyphenol methoxyphenyl triazineC12-15 alkyl benzoate~5–7.5%
- Irritation risk
- Low
Enhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth
More about C12-15 alkyl benzoateCaprylhydroxamic acid~3.9–5.9%
Diisopropyl adipate~3.2–4.8%
- Irritation risk
- Low
Helps soften the upper layer of the skin
More about Diisopropyl adipateEthylhexyl triazone~2.8–4.1%
- Irritation risk
- Medium
Uvinul T. A UV filter. Effective against UVB rays. It is photostable. Can increase water resistance properties of the sunscreen. Unfortunately, not approved by the FDA (US) yet
More about Ethylhexyl triazoneMyristyl alcohol~2.1–3.1%
- Irritation risk
- High
Helps to stabilize the product formulation while softening the upper layer of the skin. Can be irritating
More about Myristyl alcoholPhenoxyethanol~0.5–1%
- Irritation risk
- Low
A preservative. It helps prevent bacterial growth in cosmetic products
More about PhenoxyethanolPhenylbenzimidazole sulfonic acid~1.3–2%
- Irritation risk
- Medium
Ensulizole. A UV filter that is effective against UVB rays. Does not protect against UVA light. It is photostable and can be used to help stabilize other sunscreen ingredients. It is water-soluble meaning that it can help create lighter sunscreen formulations
More about Phenylbenzimidazole sulfonic acidPotassium hydroxide~0.55–1.3%
Propanediol dicaprylate/caprate~0.6–1.4%
- Irritation risk
- Low
Sclerotium gum~0.35–0.8%
- Irritation risk
- Low
Used to create gel-like formulas and stabilize emulsions
More about Sclerotium gumTocopheryl acetate~0.2–0.8%
- Irritation risk
- Medium
A more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.
More about Tocopheryl acetateXanthan gum~0.15–0.6%
- Irritation risk
- Low
Used to create a thicker product consistency
More about Xanthan gumIngredient list view
Acacia senegal gum, Bis-ethylhexyloxyphenol methoxyphenyl triazine, C12-15 alkyl benzoate, Caprylhydroxamic acid, Diisopropyl adipate, Ethylhexyl triazone, Myristyl alcohol, Phenoxyethanol, Phenylbenzimidazole sulfonic acid, Potassium hydroxide, Propanediol dicaprylate/caprate, Sclerotium gum, Tocopheryl acetate, Xanthan gum
Compare prices
Retailers ranked by price — lowest first.
Affiliate links
Worth comparing, line by line.
Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.
| Cien sunUltra sensitive spf 50YOUR PRODUCT | EUBOSCool & Calm - Redness Relieving CC Cream SPF 50 | RITUALSThe Ritual of Namaste SPF 50 Daily Sun Protection | DermaticaSPF 50 Photodamage Defence Sunscreen | |
|---|---|---|---|---|
| Match | — | 35% | 33% | 33% |
| Price | $22.99 | — | $40.02+$17.03 | $21.35−$1.64 |
| Shared key ingredients | — | 3 of 3 | 3 of 3 | 3 of 3 |
| Key difference | — | Panthenol | Panthenol | Panthenol |
| Irritancy | Low | Low | Low | Low |
| SPF | SPF 50 | SPF 50 | SPF 50 | SPF 50 |
| Drying alcohol | — | — | Contains drying alcohol | — |
| View product | Shop | Shop | Shop |
More alternatives: E45 Sun Face Cream for Sensitive Skin, Hydrating Sun Creamgrüum SPF50 FACE SUNSCREEN
Product summary
Based on the ingredient list, we assess that "Cien sun - Ultra sensitive spf 50" can provide reliable sun protection. We love that it can protect from both UVA and UVB rays (not all sunscreens with SPF ratings give UVA protection. UVA rays do not cause sunburn, but still damage our skin and lead to early aging).
This product prevents early signs of aging by protecting against sun damage (all broad spectrum sunscreens do that).
Sunscreen filters
This is a so-called "chemical" sunscreen. It means that it uses organic UV filters. They typically offer good sun protection and rarely leave a white cast, but they can be irritating for some people with sensitive skin. Here are the exact UV filters in this sunscreen: tinosorb s 5.70% - 8.60%, uvinul t 2.80% - 4.10% and ensulizole 1.30% - 2.00%.
Irritation risk
This formulation includes some common irritants, including ingredients that do not provide a benefit for the skin. We assess the overall irritancy of this sunscreen to be low. For a detailed overview of all potential irritants: click here
You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.
Price
The product retails for 22.99$ in the United States.
For a detailed price comparison: click here.
Sources cited in this review
Every concentration estimate and effectiveness label is anchored to one of these 3 studies and safety reviews.
- 1Cosmetic allergy from myristyl alcoholncbi.nlm.nih.gov
- 2
- 3Patch testing with myristyl alcoholresearchgate.net
Affiliate links · As an Amazon Associate, WIMJ earns from qualifying purchases.