What is SeneSerum-C?
Quick answer
SeneGence SeneSerum-C® Hydrating C-Pearls® Serum is a hydrating vitamin C serum that brightens, hydrates and firms skin while protecting it against environmental free radicals. SeneSerum-C® Hydrating C-Pearls® Serum keeps its actives at full potency until application, visibly brightens and evens tone, and provides antioxidant protection. Beauty Book 2026 (p. 16). Its formula also carries spirulina, a true extremophile that thrives in alkaline soda lakes.
- 3 min read
- C-Pearls®
- SeneShield®

How do C-Pearls® keep vitamin C at full strength?
Vitamin C is the gold standard for brightening and antioxidant protection, but it oxidizes quickly and loses potency day by day. SeneSerum-C® Hydrating C-Pearls® Serum brightens and evens the look of skin while defending against pollution and oxidative stress. C-Pearls® keep vitamins C, A and E stable until the pump releases them at application. Beauty Book 2026 (p. 16). The pump ruptures the pearls, so full-potency actives reach your skin with every use. You can see the pearls suspended in the serum and feel them disappear as you massage.
What else is inside SeneSerum-C?
Tetrahexyldecyl Ascorbate brings lipid-soluble vitamin C care for collagen support and brightness. Sodium Hyaluronate, a form of hyaluronic acid, attracts and retains moisture to help plump skin and reduce the look of lines. Vitis Vinifera (Grape) Juice Extract brings rare polyphenols that brighten and restore moisture. SeneShield®, our exclusive blend of berry, mineral and seaweed antioxidant care, helps shield skin from environmental stressors and protect against free-radical damage, oxidative stress and environmental pollution. Blueberries, wolfberries and cranberries are among its superfruits, with fatty acids beside the seaweed and minerals. Ergothioneine brings antioxidant care to SeneSerum-C Hydrating C-Pearls® Serum, beside Tetrahexyldecyl Ascorbate and Tocopheryl Acetate. Explore Ergothioneine. Explore SeneSerum-C’s vitamin C, its grape juice extract or the wolfberry in SeneShield®. SeneSerum-C is dermatologist-tested and non-comedogenic, and we formulate it without gluten, parabens, sulfates, phthalates, silicones, mineral oil, formaldehydes or animal by-products.
Why does SeneSerum-C carry spirulina?
Spirulina Maxima (Algae) Extract comes from spirulina, the blue-green alga that thrives in hot soda lakes as alkaline as pH 9 to 11. Rich in vitamins and minerals, it helps tone, hydrate and smooth skin in SeneSerum-C® Hydrating C-Pearls® Serum. Spirulina is one of the six true extremophiles in our formulas, life that survives where almost nothing else can. Explore spirulina’s alkaline-lake origin or discover SeneGence extremophile skincare.
How do I use SeneSerum-C?
SeneSerum-C® Hydrating C-Pearls® Serum suits all skin types, especially dull or uneven-toned skin. Official directions: Following cleansing, apply 1-2 pumps twice a day. Massage gently all over face until pearls have completely absorbed. Follow with DayTime or Evening Moisturizer. On nights you use Advanced SenePlex+® Renewal Serum with Retinol, use SeneSerum-C® in the morning only, never after retinol.
Can I use SeneSerum-C with retinol?
Nangai Oil and SeneSerum-C® Hydrating C-Pearls® Serum intensify the SenePlex+® ecosystem and any daily SeneGence regimen. On nights you use Advanced SenePlex+® Renewal Serum with Retinol, use SeneSerum-C in the morning only; never layer vitamin C after retinol. By day, finish your skincare with sun protection. Microbiome Defense Daytime Moisturizer SPF 15 gives broad-spectrum UVA/UVB protection with Zinc Oxide 6% and Octisalate 5%. See its sunscreen label or see where SPF goes. See how vitamin C and retinol share a routine, or compare SeneSerum-C with C-Bright. SeneSerum-C® Hydrating C-Pearls® Serum.
Benefits, formula & use
SeneSerum-C® Hydrating C-Pearls® Serum
- Benefits
- Choose SeneSerum-C® Hydrating C-Pearls® Serum, our encapsulated vitamin C serum, to brighten, hydrate and firm skin while supporting collagen. Its SeneShield® blend helps shield skin from environmental stressors.
- Application
- Following cleansing, apply 1-2 pumps twice a day. Massage gently all over face until pearls have completely absorbed. Follow with DayTime or Evening Moisturizer. On nights you use Advanced SenePlex+® Renewal Serum with Retinol, apply SeneSerum-C® in the morning only.
SeneGence Beauty Book 2026, p. 16 · Current formula and directions: official SeneGence product page · View SeneSerum-C® Hydrating C-Pearls® Serum on SeneGence
SeneSerum-C® Hydrating C-Pearls® Serum
Choose SeneSerum-C® Hydrating C-Pearls® Serum, our encapsulated vitamin C serum, to brighten, hydrate and firm skin while supporting collagen. Its SeneShield® blend helps shield skin from environmental stressors.
C-Pearls® · SeneShield®How to use SeneSerum-C®
Following cleansing, apply 1-2 pumps twice a day. Massage gently all over face until pearls have completely absorbed. Follow with DayTime or Evening Moisturizer. On nights you use Advanced SenePlex+® Renewal Serum with Retinol, apply SeneSerum-C® in the morning only.
Read the ingredients
Aqua/Water/Eau, Glycerin, Propanediol, Tetrahexyldecyl Ascorbate, Spirulina Maxima (Algae) Extract, Saccharomyces Cerevisiae (Yeast) Extract, Arnica Montana (Arnica) Flower Extract, Camellia Sinensis (Green Tea) Leaf Extract, Vitis Vinifera (Grape) Juice Extract, Faex (Yeast) Extract/Extrait De Levure, Orchis Mascula (Orchid) Flower Extract, Simmondsia Chinensis (Jojoba) Seed Extract, Vaccinium Angustifolium (Blueberry) Fruit Extract, Vaccinium Macrocarpon (Cranberry) Fruit Extract, Lycium Chinense (Chinese Wolfberry) Fruit Extract, Arabidopsis Thaliana (Thale-Cress) Extract, Retinyl Palmitate, Tocopheryl Acetate, Sodium Hyaluronate, Hydroxyethylcellulose, Calcium Alginate, Xanthan Gum, Ethylhexylglycerin, Gellan Gum, Biosaccharide Gum-4, Citric Acid, Biosaccharide Gum-1, Sorbic Acid, Copper PCA, Magnesium PCA, Zinc PCA, Carrageenan, Lecithin, Potassium Sorbate, Sea Salt, Ergothioneine, Phenoxyethanol, Parfum/Fragrance, Linalool, Geraniol, Citronellol, Hexyl Cinnamal, Butylphenyl Methylpropional, Alpha-Isomethyl Ionone, Coumarin, Limonene, Eugenol, Mica, Titanium Dioxide (CI 77891).
Full ingredient list
SeneSerum-C® Hydrating C-Pearls® SerumIngredient guide
Aqua/Water/Eau, Glycerin, Propanediol, Tetrahexyldecyl Ascorbate, Spirulina Maxima (Algae) Extract, Saccharomyces Cerevisiae (Yeast) Extract, Arnica Montana (Arnica) Flower Extract, Camellia Sinensis (Green Tea) Leaf Extract, Vitis Vinifera (Grape) Juice Extract, Faex (Yeast) Extract/Extrait De Levure, Orchis Mascula (Orchid) Flower Extract, Simmondsia Chinensis (Jojoba) Seed Extract, Vaccinium Angustifolium (Blueberry) Fruit Extract, Vaccinium Macrocarpon (Cranberry) Fruit Extract, Lycium Chinense (Chinese Wolfberry) Fruit Extract, Arabidopsis Thaliana (Thale-Cress) Extract, Retinyl Palmitate, Tocopheryl Acetate, Sodium Hyaluronate, Hydroxyethylcellulose, Calcium Alginate, Xanthan Gum, Ethylhexylglycerin, Gellan Gum, Biosaccharide Gum-4, Citric Acid, Biosaccharide Gum-1, Sorbic Acid, Copper PCA, Magnesium PCA, Zinc PCA, Carrageenan, Lecithin, Potassium Sorbate, Sea Salt, Ergothioneine, Phenoxyethanol, Mica, Titanium Dioxide (CI 77891).
Ingredient list updated October 28, 2026. View SeneSerum-C® Hydrating C-Pearls® Serum on SeneGence