Green Tangerine Vitamin C Serum (Advanced)
- Routine step
- Serum (serum)
- When
- Morning and evening
- Skin types
- Normal, Combination, Oily
- Pairs well with
- Azelaic Acid, Salicylic Acid, Heartleaf, Retinol
- Use with care
- 2 layering conflicts, listed below
Apply a pea-sized amount to clean, slightly damp skin before your moisturizer. Start with a few nights a week if it contains an active you are new to.
This product contains an active that can irritate at first. Patch test on the inner forearm for 24 hours and start two or three times a week.
Ingredient research in this formula
These are ingredient-level research links, not evidence that this exact product has been clinically tested.
A multitasker that calms redness, evens out skin tone, and helps oily skin balance out. One of the safest do-a-little-of-everything ingredients.
Good for: Brightening, Barrier repair, Anti-inflammatory
A gentler, more stable form of vitamin C. Same brightening benefits with less chance of stinging.
Good for: Brightening, Antioxidant
Brightens dull skin and helps fade dark spots. Also defends against everyday UV and pollution damage when worn under sunscreen.
Good for: Brightening, Antioxidant
Evidence behind the ingredients
Real citations from our research database, one per tracked active in this product. Click any ingredient name to read its full evidence dossier.
A multitasker that calms redness, evens out skin tone, and helps oily skin balance out. One of the safest do-a-little-of-everything ingredients.
Moro F et al., Skin Cancer Prevention and Antiaging: Role of Nicotinamide, International Journal of Molecular Sciences 2026
Passeron T et al., An Investigator-Blinded, Randomized Trial of a Broad-Spectrum Sunscreen Containing Sclareolide and Niacinamide, Dermatology and Therapy (Heidelberg) 2026
Vergilio MM et al., Topical Formulation with Niacinamide Combined with 5 MHz Ultrasound for Improving Skin Ageing, Current Medicinal Chemistry 2025
A gentler, more stable form of vitamin C. Same brightening benefits with less chance of stinging.
Takada A et al., Treatment with Ascorbyl Glucoside-Arginine Complex Ameliorates Solar Lentigos, International Journal of Molecular Sciences 2024: significantly reduced solar lentigo hyperpigmentation without adverse effects
Muller B et al., A Bayesian network meta-analysis of 14 molecules inhibiting UV daylight-induced pigmentation, Journal of the European Academy of Dermatology and Venereology 2024;38(8):1566-1574: network MA including ascorbyl glucoside 2% among depigmenting agents
Jacques C et al., Ascorbic acid 2-glucoside: An ascorbic acid pro-drug with longer-term antioxidant efficacy in skin, International Journal of Cosmetic Science 2021: comparable antioxidant protection to higher-dose ascorbic acid with better stability
Brightens dull skin and helps fade dark spots. Also defends against everyday UV and pollution damage when worn under sunscreen.
Krutmann J et al. PINGing Sunshine: A Review of the Evidence for Adding Non-Filtering Photoprotective Ingredients to Sunscreens. Photodermatol Photoimmunol Photomed. 2025;41(6). Review of Photoprotective INGredients (PINGs); L-ascorbic acid (vitamin C) identified as a top-ranked PING demonstrating efficacy across multiple photodamage endpoints.
Pullar JM et al., The roles of vitamin C in skin health, Nutrients 2017;9(8):866: concluded topical efficacy "poorly understood"; supports dietary vitamin C
Lee JH et al., Effects of VitabridC12 on Skin Inflammation, Annals of Dermatology 2017
Sources: 10 clinical journals and regulatory databases across the US, EU, Korea, Japan, and China. Every entry points to a specific document. See methodology for the full list and what each outcome label means.
Layering conflicts
Ingredients in this product that can react with common actives. Avoid stacking unless noted.
- Benzoyl Peroxidemedium
Benzoyl peroxide breaks down vitamin C, making both less effective. Use one in the morning and the other at night.
- Retinollow
Vitamin C and retinol work best at different pH levels. Use vitamin C in the morning and retinol at night.
Similar comparisons
Not medical advice. GlowPal is educational. Patch-test new products and talk to a qualified healthcare professional before changing your routine, especially if you're pregnant, nursing, or have a diagnosed skin condition. See our terms.