SPF+50 C.O.D.A by Sonia Sélaire
£47.50
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SPF+50 C.O.D.A by Sonia Sélaire
£47.50
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Formulated in collaboration with skincare expert Sonia Sélaire, SPF+50 C.O.D.A is a high-protection daily suncream engineered for modern skin longevity.. Independently tested by WENEOS, the formula delivers broad-spectrum SPF 50+ protection with a UVA Protection Factor of 62 and a critical wavelength of 375 nm.. Combining advanced photoprotection with an elegant, non-greasy texture, the formula blends seamlessly into skin with a transparent and a naturally luminous finish while remaining comfortable for daily wear, especially under makeup. Applied as the final step of the Synfonie Skincare Maestro morning routine, SPF+50 C.O.D.A reflects a formulation philosophy rooted in scientific precision, performance, and cosmetic elegance..
At a Glance
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Developed in collaboration with skincare expert Sonia Sélaire
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Broad-spectrum SPF 50+ protection against UVA and UVB radiation
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Independently tested by WENEOS: SPF 72.4 (labelled SPF 50), UVA Protection Factor 62, critical wavelength 375 nm.
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Elegant, non-greasy texture with a transparent, naturally luminous finish
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Suitable for all skin types, including sensitive skin
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The final step in the Synfonie Skincare Maestro morning routine
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60ml - approximately 2 months' supply when used daily as a facial SPF
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Fully recyclable packaging
What is SPF+50 C.O.D.A?
SPF+50 C.O.D.A is a high-protection daily face sunscreen offering SPF 50 broad-spectrum coverage, meaning it protects against both UVA and UVB radiation. UVB rays are primarily responsible for sunburn and surface-level skin reddening, while UVA rays penetrate more deeply into the dermis, contributing to premature visible ageing and uneven pigmentation over time. Broad-spectrum protection addresses both.
The name C.O.D.A reflects the formula's four-part skin philosophy: Corrige (corrects), Optimise (optimises), Défend (defends), Apaise (soothes). Together, these principles shape a sunscreen developed not only to protect skin daily, but to support overall skin quality and cosmetic comfort with continued use.
The texture is non-greasy and absorbs easily into skin, making it comfortable to wear daily - alone or layered beneath makeup. It is formulated for all skin types, including sensitive skin.
Developed as the concluding step in the Synfonie Skincare Maestro morning routine, the cream sits within a complete skincare system created in collaboration with skincare expert Sonia Sélaire, whose expertise spans both the functional and sensory dimensions of formulation.
The Science Behind the Formula
Broad-Spectrum UV Filters
SPF+50 C.O.D.A combines three photostable organic UV filters:
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Diethylamino Hydroxybenzoyl Hexyl Benzoate
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Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine
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Ethylhexyl Triazone
These work alongside Titanium Dioxide, a mineral UV filter that helps protect skin by reflecting, scattering, and absorbing UV radiation. Together, the filters provide balanced broad-spectrum SPF 50+ protection across both UVA and UVB wavelengths.
All filters are authorised under Annex VI of EU Cosmetics Regulation (EC) No. 1223/2009, retained in UK law (1).
How It Was Tested
SPF+50 C.O.D.A was independently tested by WENEOS, a specialist French laboratory recognised for its expertise in advanced sunscreen evaluation, using the HDRS hybrid testing method in line with ISO 23698:2024 standards.
This next-generation methodology combines in vivo and laboratory analysis to provide a comprehensive assessment of sunscreen performance across the full UV spectrum. The formula is first applied to human volunteers, where skin reflectance measurements are used to evaluate UVA protection under real-use conditions. These findings are then combined with laboratory data assessing how the formula behaves under controlled UV exposure.
Together, these complementary measurements provide a robust evaluation of both UVB and UVA protection performance.
Tested across 12 subjects, the results confirmed:
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Mean SPF: 72.4, labelled as SPF 50+
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UVA Protection Factor: 62
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Critical wavelength: 375 nm
What the UVA Result Means
Under EU regulations, a critical wavelength above 370 nm is required to support a broad-spectrum protection claim. SPF+50 C.O.D.A exceeded this threshold with a measured critical wavelength of 375 nm (2).
The UVA Protection Factor of 62 is where this formula stands apart. Most SPF 50+ sunscreens are formulated to meet the minimum EU requirement, which for a labelled SPF 50+ is a UVA-PF of just 16.7. A 2026 study testing 38 SPF 50 and SPF 50+ products found UVA-PF values as low as 3.6, and around one third failed EU standards altogether (14). SPF+50 C.O.D.A achieves a UVA-PF of 62, nearly four times the minimum threshold.
In simple terms: the SPF tells you how well a sunscreen protects against sunburn. The UVA-PF tells you how well it protects against deeper, longer-term skin damage. Both matter. This formula is designed to deliver on both.
Skin-Supportive Actives
Alongside the UV filters, the formula includes skin-supportive actives: Panthenol (provitamin B5) and Tocopheryl Acetate (vitamin E) help maintain barrier function and antioxidant defence (8,9); Ferulic Acid contributes further environmental protection (10,11); and Dipotassium Glycyrrhizate (liquorice root) and Bisabolol (chamomile) bring a calming profile particularly suited to sensitive or reactive skin (12,13).
Texture and Skin Feel
The cream's smooth, blendable texture is shaped by Dimethicone and Dimethiconol - silicone-derived ingredients that help the formula spread evenly and sit comfortably under makeup or on bare skin. Silica assists with shine control and helps the finish remain comfortable even with daily wear.
Although Titanium Dioxide is a physical filter - a filter type associated with white cast in some formulations - this formula is specifically optimised to minimise that effect, making it suitable for a broader range of skin tones.
Why Sun Protection Is the Foundation of Skincare Longevity
Dermatologists consistently identify daily SPF as the single most effective step for slowing the visible signs of UV-driven skin ageing. A clinical trial published in the Annals of Internal Medicine found that people who applied sunscreen every day showed measurably younger-looking skin after 4.5 years, compared to those who used it only sometimes (3). UV exposure does not stop when summer ends: UVA rays reach the skin year-round, on cloudy days and through windows (4), making SPF 50 a habit worth keeping every morning.
This formula has been independently tested to confirm it delivers on the claim: a critical wavelength of 375 nm and a UVA Protection Factor of 62 against a labelled SPF of 50, providing balanced, broad-spectrum protection (2).
The Synfonie line is built on the principle that outer and inner skin health work together. The Skin, Hair and Nails Collection and Bundle [internal link] offers the nutritional counterpart to this daily suncream ritual.
How to Use SPF50+ C.O.D.A
Morning skincare should feel considered, not clinical. Here is how to make SPF50+ C.O.D.A the final, purposeful step in yours.
1. Begin with clean skin. Start your morning ritual with the Prélude Cleanser [internal link when live], then apply your antioxidant serum and moisturiser - either the APOTHÉOSE SOIN VELOURS (dry skin) or SOIN CARESSE (combination to oily skin) [internal links].
2. Apply the SPF50+ C.O.D.A as your final step. Dispense an amount sufficient to cover the face and neck and ears evenly. Apply every morning before sun exposure, regardless of the season or forecast.
3. Reapply during prolonged sun exposure. For extended time outdoors, reapply approximately every two hours, and immediately after swimming or towelling dry (5). For a standard indoor working day, your morning application provides continuous coverage.
Complete the Ritual - Explore the Synfonie Skincare Maestro Line
The SPF50+ C.O.D.A is the final step in a complete ritual. The Synfonie Skincare Maestro morning routine: Prélude Cleanser → Crescendo serum → Apothéose Soin velours or Soin caresse → SPF50+ C.O.D.A . The Cadence Eau de Parfum completes the collection. To give or receive the full ritual, the Synfonie Gift Box, Gift Box + SPF, and Gift Box + Perfume are the natural starting point.
For those who believe skin health starts from within, the Skin, Hair and Nails Collection and Bundle offers complementary nutritional support — the inner companion to this daily suncream ritual.
Full Ingredient List
Diethylamino Hydroxybenzoyl Hexyl Benzoate, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, C12-15 Alkyl Benzoate, Butylene Glycol, Dimethicone, Dibutyl Adipate, Isohexadecane, Glycerin, Hydrogenated Polyisobutene, Sorbitan Stearate, Titanium Dioxide, Cetearyl Alcohol, Panthenol, Silica, Potassium Cetyl Phosphate, Ethylhexyl Triazone, Acrylates/C12-22 Alkyl Methacrylate Copolymer, Hydroxyacetophenone, Sodium Stearoyl Glutamate, Sucrose Cocoate, Sodium Polyacrylate, Phenoxyethanol, Tocopheryl Acetate, Dipotassium Glycyrrhizate, Bisabolol, Hydrated Silica, Dimethicone/Vinyltrimethylsiloxysilicate Crosspolymer, Arginine, Aluminium Hydroxide, Dimethiconol, Ferulic Acid, Hydrogen Dimethicone, Coco-Glucoside, Benzyl Benzoate, Disodium EDTA, Ethylhexylglycerin, Disodium Lauryl Sulfosuccinate, Flavour.
FAQs
What does SPF stand for?
SPF stands for Sun Protection Factor. It measures how well a product protects against UVB rays, the type of UV radiation responsible for sunburn. The higher the number, the more UVB rays are filtered: SPF 50 blocks around 98% of them.
The SPF 50 on this suncream is independently verified: WENEOS tested it to ISO 23698:2024 and recorded a mean SPF of 72.4 across 12 subjects, placing it comfortably within the SPF 50 category (2). One thing to note: SPF only measures UVB protection. UVA protection is shown separately on pack, via the UVA circle logo or a star rating.
Who is Sonia Sélaire?
Sonia Sélaire is a skincare expert whose background bridges ingredient science, skin physiology, and sensory formulation. Her collaboration with Naturecan on the Synfonie Skincare Maestro line is a formulation partnership, not a brand endorsement, resulting in a suncream developed with the same precision as every other product in the range.
Is sunscreen bad for you?
When used as directed, properly formulated suncreams are safe for daily use. Before any UV filter can appear in a product sold in the UK or EU, it must be assessed and approved by the EU Scientific Committee on Consumer Safety (SCCS). Every filter in this formula has cleared that process and is authorised under Annex VI of EU Cosmetics Regulation (EC) No. 1223/2009, retained in UK law (1). The American Academy of Dermatology recommends daily broad-spectrum sunscreen as a cornerstone of skin health, not a risk to it (6).
Does sunscreen stop tanning?
High-SPF suncreams significantly reduce UVB exposure, the primary driver of melanin production and tanning. SPF 50 does not create a complete barrier; some UV still reaches the skin. The more relevant point: a tan indicates UV-induced DNA damage, not health. Daily protection is an investment in your skin's long-term appearance, not a trade-off.
Does suncream go out of date?
Yes. Check the Period After Opening (PAO) symbol and the expiry date on pack. Most suncreams remain stable for 12–24 months after opening in cool, dry conditions. After this, UV filter efficacy may be reduced and the product will need replacing. Using out-of-date suncream risks under-protection with no visible sign it has occurred.
What SPF do I need for daily use?
SPF 50 is widely recommended for daily facial use, especially in urban environments. NHS guidance sets SPF 30 as a minimum, with SPF 50 preferred for higher-exposure days and fairer skin types (7). Consistency matters more than the number: a good suncream applied daily outperforms a higher factor used occasionally. Make it the last step in your morning routine.
What's the difference between UVA and UVB protection?
UV radiation reaches the skin in two main forms. UVB rays sit at shorter wavelengths (290 to 320 nm) and are the primary cause of sunburn. They are also the rays that the SPF number measures. UVA rays have longer wavelengths (320 to 400 nm) and penetrate more deeply into the skin. Over time, UVA exposure breaks down collagen, contributes to pigmentation changes, and accelerates the visible signs of ageing. Broad-spectrum protection covers both types of ray. This suncream was independently tested and recorded a critical wavelength of 375 nm, above the EU threshold of 370 nm required for a broad-spectrum claim (2). UVA protection is not captured in the SPF number: look for the UVA circle logo or star rating on pack.
Does it leave a white cast?
This suncream contains Titanium Dioxide, a physical filter that can leave a white residue in some formulas. Dimethicone and Silica help the texture blend smoothly, minimising visible cast on most skin tones. On very deep skin tones, some cast is possible - patch-test on the jawline before first use.
Is it suitable for all skin types, including sensitive skin?
Yes. Bisabolol (chamomile), Dipotassium Glycyrrhizate (liquorice root), and Panthenol (provitamin B5) bring a calming profile suited to sensitive or reactive skin (8,12,13). Patch-test before full use if you have known sensitivities. This suncream does not make claims for specific skin conditions such as rosacea, eczema, or acne.
How long does sunscreen last on the skin?
Sunscreen does not stay fully effective all day. Once applied, its performance gradually reduces through sweating, sebum, touch, and general wear. During prolonged outdoor activity, dermatological guidance recommends reapplying every two hours and immediately after swimming or towelling dry (5). On a predominantly indoor day, your morning application will maintain coverage under normal conditions.
When should I reapply suncream?
As a general rule: reapply every two hours when spending extended time outdoors, and always reapply after swimming, sweating heavily, or towelling off (5). If you are working indoors with limited sun exposure, a single morning application is sufficient for most people.
References
- European Commission (2009) Regulation (EC) No. 1223/2009 of the European Parliament and of the Council of 30 November 2009 on cosmetic products. Official Journal of the European Union, L 342, pp. 59–209. Retained in UK law under the European Union (Withdrawal) Act 2018. Available at: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02009R1223-20230101 (Accessed: 27 April 2026).
- WENEOS (2026) Independent SPF and UVA-PF Test Report: Crème Solaire Haute Protection. Testing conducted in accordance with ISO 23698:2024 and ISO 24444:2010/Amd 1:2022. [Internal test report. Available from Naturecan on request.] Results: mean SPF 72.4, UVA-PF 62, critical wavelength 375 nm.
- Hughes, M.C.B., Williams, G.M., Baker, P. and Green, A.C. (2013) 'Sunscreen and prevention of skin aging: a randomized trial', Annals of Internal Medicine, 158(11), pp. 781–790. Available at: https://doi.org/10.7326/0003-4819-158-11-201306040-00002 (Accessed: 27 April 2026).
- Diffey, B.L. (2002) 'Human exposure to solar ultraviolet radiation', Journal of Cosmetic Dermatology, 1(3), pp. 124–130. Available at: https://doi.org/10.1046/j.1473-2165.2002.00060.x (Accessed: 27 April 2026).
- Scardamaglia, L., Babaian, L., Bhagwat, N., Gooderham, M., Ho, V., Lansdown, M., Lui, H., Papp, K., Sapijaszko, M. and Shear, N. (2025) 'Sunscreen: a practical guide for prescribers', Journal of Cutaneous Medicine and Surgery. Available at: https://doi.org/10.1177/12034754241305279 (Accessed: 27 April 2026).
- American Academy of Dermatology Association (2024) Sunscreen FAQs. Available at: https://www.aad.org/public/everyday-care/sun-protection/sunscreen-patients/sunscreen-faqs (Accessed: 27 April 2026).
- NHS (2023) Sunscreen and sun safety. Available at: https://www.nhs.uk/live-well/seasonal-health/sunscreen-and-sun-safety/ (Accessed: 27 April 2026).
- Camargo, F.B., Gaspar, L.R. and Maia Campos, P.M. (2011) ‘Skin moisturizing effects of panthenol-based formulations’, Journal of Cosmetic Science, 62(4), pp. 361–370. Available at: https://pubmed.ncbi.nlm.nih.gov/21982351/ (Accessed: 27 April 2026).
- Cho, Y.S., Kim, H.O., Woo, S.M. and Lee, D.H. (2022) ‘Use of dexpanthenol for atopic dermatitis—benefits and recommendations based on current evidence’, Journal of Clinical Medicine, 11(14), p. 3943. Available at: https://doi.org/10.3390/jcm11143943 (Accessed: 27 April 2026).
- Lin, F.H., Lin, J.Y., Gupta, R.D., Tournas, J.A., Burch, J.A., Selim, M.A., Monteiro-Riviere, N.A., Grichnik, J.M., Zielinski, J. and Pinnell, S.R. (2005) ‘Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin’, Journal of Investigative Dermatology, 125(4), pp. 826–832. Available at: https://doi.org/10.1111/j.0022-202X.2005.23768.x (Accessed: 27 April 2026).
- Roux, J., Horton, L., Babadjouni, A., Kincaid, C.M. and Mesinkovska, N.A. (2025) ‘Ferulic acid use for skin applications: a systematic review’, Journal of Clinical and Aesthetic Dermatology, 18(5), pp. 38–42. Available at: https://pmc.ncbi.nlm.nih.gov/articles/PMC12175833/ (Accessed: 27 April 2026).
- Kamatou, G.P.P. and Viljoen, A.M. (2010) ‘A review of the application and pharmacological properties of α-bisabolol and α-bisabolol-rich oils’, Journal of the American Oil Chemists’ Society, 87(1), pp. 1–7. Available at: https://doi.org/10.1007/s11746-009-1483-3 (Accessed: 27 April 2026).
- Ferreira, T.C.S., Costa, I.M., Fagundes, F.H.R., Lino, F.E., Lucio, M.V., da Silva, F.T., Velozo, C.A., Dutra, R.P. and Rocha, C.Q. (2023) ‘Dipotassium glycyrrhizinate improves skin wound healing by modulating inflammatory process’, International Journal of Molecular Sciences, 24(5), p. 4400. Available at: https://doi.org/10.3390/ijms24054400 (Accessed: 27 April 2026).
- Young A, Tricaud C, Bernerd F, et al. In vivo measurement of UVA protection factor (ISO 24442:2011) across 38 different SPF 50 and SPF 50+ sunscreens reveals high heterogeneity and limitations in the level of protection. Photodermatology, Photoimmunology and Photomedicine. 2026;42(3). doi:10.1111/phpp.70092. PMID: 41968398.
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