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1270b Skincare

Vitamin C Serum

$60.00 CAD
$60.00 CAD
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Brighten, protect, and renew your skin with our vitamin C serum. This potent dose of antioxidants fades dark spots, shields against environmental damage, and supports skin renewal by boosting collagen and cell turnover. The result? A glowing, revitalized complexion.

Formulation considerations

Airless pump

I use an airless pump to reduce headspace, thereby minimizing oxygen exposure. This limits oxidative degradation and helps preserve the stability and effectiveness of our active ingredients. By minimizing air contact, our packaging ensures each product stays fresh and delivers consistent, high-quality results with every use (1).

Optimal pH for enhanced skin absorption

Vitamin C, or ascorbic acid, is most effective at a low pH. This acidic environment helps to stabilize the vitamin C, ensuring that it remains potent (2). At a lower pH, vitamin C also penetrates the skin's protective barrier more easily, allowing it to reach deeper layers where it can work to brighten, even skin tone, and promote collagen production (3).

Light-blocking packaging

Light blocking packaging is designed to block out UV rays, providing extra protection for sensitive ingredients in skincare products. Preventing exposure to UV rays helps maintain the stability and potency of active ingredients (4), ensuring that your product stays fresh and effective for longer.

Microbial testing

Tested according to USP <61> to ensure the product is free from bacteria and fungi. USP (United States Pharmacopeia) sets quality and safety standards for products to ensure they are clean, safe, and effective for use.

The Science Behind Your Serum

  • Vitamin C / Ascorbic Acid (15%)

    Vitamin C (ascorbic acid) helps create a smoother, more radiant complexion and reduces the appearance of fine lines and wrinkles. It fades dark spots by inhibiting tyrosinase (5) and reducing melanin production (6). It also protects against UV damage by neutralizing free radicals (7), and supports skin renewal by stimulating collagen production through enzymes like prolyl and lysyl hydroxylase (8). Additionally, it promotes keratinocyte differentiation, enhancing cell turnover for brighter, more youthful-looking skin (9).

  • Vitamin E / Tocopherol (1%)

    Vitamin E (tocopherol) is a powerful antioxidant that protects, hydrates, and soothes the skin. It neutralizes UV-induced free radicals and prevents oxidative damage to cell membranes (10). It works synergistically with vitamin C by regenerating its antioxidant capacity, enhancing overall protection against environmental stress (11). Vitamin E also strengthens the skin barrier and reduces water loss, promoting hydration and resilience (12). Its anti-inflammatory properties help calm irritation and support a healthier, more even complexion (13).

  • Panthenol (0.5%)

    Panthenol is a skin-conditioning agent that enhances hydration, calms irritation, and supports barrier repair (14). It also soothes inflammation by modulating cytokine production and promoting the skin’s natural repair response (15). Additionally, panthenol accelerates wound healing by supporting re-epithelialization and strengthening the skin barrier (16). These combined effects result in a softer, more resilient complexion and help reduce sensitivity, particularly when using active ingredients like vitamin C.

  • Ferulic Acid (0.5%)

    Ferulic acid is a potent antioxidant that protects skin by neutralizing UV-induced free radicals and preventing oxidative stress that contributes to premature aging (17). It also stabilizes vitamin C by absorbing UV light and counteracting oxidative agents, preserving its potency and extending the serum’s shelf life (18). Additionally, ferulic acid reduces pigmentation by downregulating tyrosinase (19), a key enzyme in melanin production. By strengthening the skin’s UV defense and antioxidant capacity, it promotes a smoother, firmer, and healthier complexion.

Full list of Ingredients

Aqua/Water/Eau, Ethoxydiglycol, Ascorbic Acid, Propylene Glycol, Laureth-23, Glycerin, Tocopherol, Ferulic Acid, Panthenol, Phenoxyethanol, Triethanolamine, Sodium Hyaluronate.

Directions for use

Cleanse your skin to prepare for application. Dispense 1–2 pumps of our vitamin C serum and gently apply to your face, neck, and chest, avoiding the eye area. Use in the morning as part of your daily skincare routine, followed by your favorite sunscreen. If well tolerated, apply morning and evening. If sensitivity occurs, reduce use to every other day. Store in a cool, dark place to maintain potency.

Experience our Scientically Formulated Serum

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Reference list

1. Van Bree, I., Baetens, J., Samapundo, S., Devlieghere, F., Laleman, R., Vandekinderen, I., Noseda, B., Xhaferi, R., De Baets, B., & De Meulenaer, B. (2012). Modelling the degradation kinetics of vitamin C in fruit juice in relation to the initial headspace oxygen concentration. Food Chemistry, 134(1), 207–214. https://doi.org/10.1016/j.foodchem.2012.02.096

2. Farah, H. S., Alhmoud, J. F., Al-Othman, A., Alqaisi, K. M., Atoom, A. M., Shadid, K., Shakya, A., & AlQaisi, T. (2020). Effect of pH, temperature and metal salts in different storage conditions on the stability of vitamin C content of yellow bell pepper extracted in aqueous media. Systematic Reviews in Pharmacy, 11(9), 661–667. https://doi.org/10.31838/srp.2020.9.97​

3. Pinnell, S. R., Yang, H., Omar, M., Riviere, N. M., DeBuys, H. V., Walker, L. C., Wang, Y., Levine, M. (2001). Topical L-ascorbic acid: Percutaneous absorption studies. Dermatologic Surgery, 27(2), 137–142. https://doi.org/10.1046/j.1524-4725.2001.00264.x​

4. Tikekar, R. V., Anantheswaran, R. C., & LaBorde, L. F. (2011). Ascorbic acid degradation in a model apple juice system and in apple juice during ultraviolet processing and storage. Journal of Food Science, 76(2), H62–H72. https://doi.org/10.1111/j.1750-3841.2010.02015.x

5. Li, Y., Wang, Y., Chen, Y., & Zhang, Y. (2021). Effect of ascorbic acid on tyrosinase and its anti-browning activity in fresh-cut Fuji apple. Journal of Food Biochemistry, 45(12), e13995. https://doi.org/10.1111/jfbc.13995

6. De Dormael, R., Bastien, P., Sextius, P., Gueniche, A., Ye, D., Tran, C., Chevalier, V., Gomes, C., Souverain, L., & Tricaud, C. (2019). Vitamin C prevents ultraviolet-induced pigmentation in healthy volunteers: Bayesian meta-analysis results from 31 randomized controlled versus vehicle clinical studies. Journal of Clinical and Aesthetic Dermatology, 12(2), E53–E59. https://doi.org/10.36849/JCAD.2019.12.2.E53

7. Darr, D., Combs, S., Dunston, S., Manning, T., & Pinnell, S. (1992). Topical vitamin C protects porcine skin from ultraviolet radiation-induced damage. British Journal of Dermatology, 127(3), 247–253. https://doi.org/10.1111/j.1365-2133.1992.tb00122.x

8. Kishimoto, Y., Saito, N., Kurita, K., Shimokado, K., Ishigami, A., & Maruyama, N. (2013). Ascorbic acid enhances the expression of type 1 and type 4 collagen and SVCT2 in cultured human skin fibroblasts. Biochemical and Biophysical Research Communications, 430(2), 579–584. https://doi.org/10.1016/j.bbrc.2012.11.110

9. Catani, M. V., Savini, I., Rossi, L., & Avigliano, L. (2002). Characterization of keratinocyte differentiation induced by ascorbic acid: Protein kinase C involvement and vitamin C homeostasis. Journal of Investigative Dermatology, 118(4), 565–572. 10.1046/j.0022-202x.2001.01624.x

10. Traber, M. G. (2014). The role of vitamin E in human health and some diseases. Nutrition in Clinical Care, 17(3), 143–151. PMID: 24790736

11. Porkkala-Sarataho, E., Salonen, J. T., Nyyssönen, K., Kaikkonen, J., Salonen, R., Ristonmaa, U., Diczfalusy, U., Brigelius-Flohé, R., Loft, S., & Poulsen, H. E. (2000). Long-term effects of vitamin E, vitamin C, and combined supplementation on urinary 7-hydro-8-oxo-2'-deoxyguanosine, serum cholesterol oxidation products, and oxidation resistance of lipids in nondepleted men. Arteriosclerosis, Thrombosis, and Vascular Biology, 20(9), 2087–2093. https://doi.org/10.1161/01.atv.20.9.2087​

12. Pinnell, S. R., Yang, H., Omar, M., Riviere, N. M., DeBuys, H. V., Walker, L. C., Wang, Y., Levine, M., & Maeda, N. (2003). Changes in basal cell mitosis and transepidermal water loss in skin cultures treated with vitamins C and E. Journal of Investigative Dermatology, 120(4), 654–660. https://doi.org/10.1046/j.1523-1747.2003.12056.x

13. Reiter, E., Jiang, Q., & Christen, S. (2007). Anti-inflammatory properties of α- and γ-tocopherol. Molecular Aspects of Medicine, 28(5–6), 668–691. https://doi.org/10.1016/j.mam.2007.01.003

14. Proksch, E., de Bony, R., Trapp, S., & Boudon, S. (2017). Topical use of dexpanthenol: A 70th anniversary article. Journal of Dermatological Treatment, 28(8), 766–773. https://doi.org/10.1080/09546634.2017.1325310

15. Baron, J. M., Glatz, M., & Proksch, E. (2020). Optimal support of wound healing: New insights. Dermatology, 236(6), 593–600. https://doi.org/10.1159/000505291

16. Heise, R., Skazik, C., Marquardt, Y., Czaja, K., & Lademann, J. (2019). Accelerated wound healing with a dexpanthenol-containing ointment after fractional ablative CO₂ laser resurfacing of photo-damaged skin in a randomized prospective clinical trial. Cutaneous and Ocular Toxicology, 38(3), 274–278. 10.1080/15569527.2019.1597879

17. Kanski, J., Aksenova, M., Stoyanova, A., & Butterfield, D. A. (2002). Ferulic acid antioxidant protection against hydroxyl and peroxyl radical oxidation in synaptosomal and neuronal cell culture systems in vitro: Structure-activity studies. Journal of Nutritional Biochemistry, 13(5), 273–281. https://doi.org/10.1016/S0955-2863(01)00215-7​

18. 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., & 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), 826–832. https://doi.org/10.1111/j.0022-202X.2005.23768.x

19. Maruyama, H., Kawakami, F., Lwin, T.-T., Imai, M., & Shamsa, F. (2018). Biochemical characterization of ferulic acid and caffeic acid which effectively inhibit melanin synthesis via different mechanisms in B16 melanoma cells. Biological & Pharmaceutical Bulletin, 41(5), 806–810. https://doi.org/10.1248/bpb.b17-00892​

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