Eight Saints Seeking C Vitamin C Face Serum
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Formulation Summary
A vitamin C serum using Sodium Ascorbyl Phosphate (SAP) as its vitamin C derivative, listed second in the formula. The base combines MSM, botanical hyaluronic acid, organic aloe, jojoba oil, and vitamin E with several botanical extracts. The formula contains 13 essential oils that give it a strong citrus-herbaceous scent but significantly increase irritation and photosensitivity risk.
Eight Saints uses Sodium Ascorbyl Phosphate, a water-soluble and stable vitamin C derivative. SAP is gentler than L-ascorbic acid and does not require a low pH. It is listed second after water, suggesting a meaningful concentration. The brand emphasizes natural and organic ingredients, using plant-derived hyaluronic acid and organic aloe. Centella asiatica, horsetail, geranium, and dandelion extracts add botanical support. The most notable formulation choice is the inclusion of 13 essential oils, which is unusually high for a facial serum.
Quick Facts
Designed For
- •Those who prefer natural and plant-based skincare ingredients
- •Users seeking a gentle vitamin C derivative over L-ascorbic acid
- •People who enjoy strongly scented skincare products
- •Those looking for a hydrating vitamin C serum with botanical extracts
- •Users comfortable with essential oil-containing products
May Not Suit
- •Users with sensitive or reactive skin (13 essential oils present significant irritation risk)
- •Those who use this serum during daytime without diligent sunscreen (bergamot, lemon, and lime oils are phototoxic)
- •People who avoid essential oils or fragrance in skincare
- •Users seeking a high-potency L-ascorbic acid treatment serum
- •Those with cinnamon allergy or sensitivity (cinnamon leaf oil contains eugenol)
Key Ingredients
| Ingredient | Concentration | Function |
|---|---|---|
| Sodium Ascorbyl Phosphate (SAP) | — | Water-soluble vitamin C derivative. Listed second, indicating a meaningful concentration. SAP is more stable than L-ascorbic acid and has research supporting antibacterial and brightening activity. It converts to ascorbic acid in the skin. Generally well tolerated and effective at 5% or higher. |
| MSM (Methylsulfonylmethane) | — | An organic sulfur compound. Used in skincare for its anti-inflammatory properties and claimed ability to improve skin permeability. Research is limited for topical application. Listed third in the formula. |
| Botanical Hyaluronic Acid | — | Hyaluronic acid derived from plant fermentation rather than animal sources. Provides hydration by drawing water to the skin. 'Botanical' denotes the sourcing method, not a functionally different ingredient. |
| Tocopherol (Vitamin E) | — | Fat-soluble antioxidant. Provides additional antioxidant protection alongside vitamin C. Helps protect the formula from oxidation. |
| Centella Asiatica Extract (Gotu Kola) | — | Botanical extract with anti-inflammatory and wound-healing properties. Supports skin repair and calming. Listed after the preservatives, suggesting a lower concentration. |
The Formulation Explained
Sodium Ascorbyl Phosphate vs. L-Ascorbic Acid
SAP is a gentler, more stable vitamin C derivative. It does not require the low pH (under 3.5) that L-ascorbic acid needs for penetration. Research supports SAP at 5% for brightening and antibacterial benefits. The trade-off is that SAP is generally considered less potent than L-ascorbic acid for antioxidant photoprotection. The brand does not disclose the concentration.
Essential oil overload
Thirteen essential oils is exceptionally high for a leave-on facial product. The combination includes phototoxic citrus oils (bergamot, lemon, lime, grapefruit) and cinnamon leaf oil, one of the most sensitizing essential oils. While each individual oil may be at a low concentration, the cumulative exposure to allergens and irritants is a serious consideration for anyone with sensitive skin.
Natural positioning vs. efficacy
Eight Saints markets this as a natural, plant-based formula. The use of organic aloe, botanical hyaluronic acid, and plant extracts supports this positioning. However, 'natural' does not mean gentler; the essential oil load makes this serum potentially more irritating than many conventional vitamin C products with synthetic fragrance.
Photosensitivity concerns
Bergamot, lemon, lime, and grapefruit essential oils contain furanocoumarins that cause phototoxic reactions. If used in the morning, diligent broad-spectrum sunscreen is essential. The brand does not specify whether bergapten-free grades of citrus oils are used. Users should exercise caution with sun exposure when using this product.
Ingredients to Know
The formula contains 13 distinct essential oils. This is an unusually high number for a facial serum. Several are citrus-derived and phototoxic (bergamot, lemon, lime, grapefruit). Cinnamon leaf oil is a known strong sensitizer. The cumulative irritation risk from this many essential oils is significant.
Phototoxic unless the bergapten-free (FCF) grade is used. The brand does not specify which grade. If standard grade, this oil can cause dark spots and burns when skin is exposed to UV light.
Contains eugenol and cinnamaldehyde, both strong contact allergens. One of the most sensitizing essential oils used in skincare. Inclusion in a leave-on facial product is concerning for sensitive skin.
Listed without specification (likely denatured or ethyl alcohol). Used as a solvent for the essential oils. Can be drying and irritating, especially for dry or compromised skin.
Technically a liquid wax ester rather than a true oil. Mimics skin's natural sebum. Generally well tolerated and provides emollient benefits.
User Feedback Patterns
Full INCI List
32 ingredients · Click "Show full list" to view
About Eight Saints
Full INCI lists are provided on the website and Amazon. The brand does not disclose specific concentrations for actives. They emphasize organic and plant-based sourcing but do not hold formal organic certifications.
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Sources
- • https://eightsaintsskincare.com/products/best-vitamin-c-serum-for-face
- • https://incidecoder.com/products/eight-saints-seeking-c-serum
- • https://skinsort.com/products/eight-saints/seeking-c-face-serum
- • https://www.amazon.com/Eight-Saints-Hyaluronic-Hydrating-Brightening/dp/B08Z2BJ473
- • https://www.beautyindependent.com/mens-skincare-brickell-womens-segment-eight-saints/
Last updated: 2026-03
Rating Scales
Comedogenicity (0-5)
Likelihood of clogging pores. 0 = won't clog, 1-2 = low, 3 = moderate, 4-5 = high.
Irritancy (0-5)
Potential for skin irritation. 0 = non-irritating, 1-2 = low, 3 = moderate, 4-5 = high.
Ratings based on published ingredient studies. Individual reactions may vary.