Jack Black
Jack Black Brightening Booster Vitamin C Serum
A 1 fl oz vitamin C serum with 10% tetrahexyldecyl ascorbate, black myrobalan, green microalgae and acetyl zingerone.
- No scent flags recorded
- No sensitivity flags recorded
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Label answers before you buy
Manufacturer source · Label checked . Label facts only, not testing or medical advice: what these answers can't tell you.
Is Jack Black Brightening Booster Vitamin C Serum fragrance-free?
No fragrance-free claim has been recorded. The ingredient list hasn't been reviewed as a complete formula, so we can't confirm it has no scent ingredients.
Is the arachidyl alcohol in this formula drying?
No. Arachidyl Alcohol and Cetearyl Alcohol are fatty alcohols that soften and thicken a formula. They aren't the drying alcohol (ethanol) people try to avoid.
Ingredient-origin notes (not vegan warnings)
- Glycerin: The name does not establish the feedstock. Plant, animal or synthetic sourcing requires supplier or manufacturer evidence. Origin reference
Ingredient-origin reference and limitations · How we record vegan evidence
Compare products using these exclusions · Inspect recorded ingredients · Matching rules and limits
How it compares
- Its label lists no scent ingredients, which is true of 7 of the 18 products in Targeted Vitamin C & Brightening Correctors with a recorded ingredient list.
Compare the facts that matter to you
10% Tetrahexyldecyl ascorbate: Manufacturer-stated named active; percentage basis not independently measured. Compare exact forms and stated percentages.
What it is
Jack Black Brightening Booster Vitamin C Serum is part of the brand’s ProSeries Age Control line. It uses an oil-soluble vitamin C ester rather than pure ascorbic acid.
Key ingredients
- Tetrahexyldecyl ascorbate 10%: A stable vitamin C ester the brand says improves the look of brightness and dark spots with continued use.
- Black myrobalan: An antioxidant fruit extract.
- Green microalgae: Positioned against blue-light exposure.
- Acetyl zingerone: Described as an antioxidant.
How to use
After cleansing, apply one or two pumps to the face and neck. It can be used twice a day. Apply sunscreen before going outside.
Who should be careful
Jack Black doesn’t describe it as fragrance free. No fragrance or essential oils appear on the recorded list. Vitamin C esters are not equivalent in strength to the same percentage of pure L-ascorbic acid.
What the brand claims
In a 30-person consumer perception study over four weeks, Jack Black says a significant number of users reported brighter, firmer-looking skin. That is self-reported perception, not a measured result.
Sources
- https://www.getjackblack.com/products/brightening-booster-vitamin-c-serum (checked 2026-10-23)
We have not tested this product.
What's on the label
Similar targeted vitamin c & brightening correctors
CeraVe Skin Renewing Vitamin C Serum
Vitamin C (L-ascorbic acid) 10% · oily, dry, combination, sensitive, normal skin · no scent flags recorded
COSRX The Alpha-Arbutin 2 Discoloration Care Serum
Alpha-Arbutin 2% · no scent flags recorded
COSRX The Vitamin C 13 Serum
Ascorbic Acid (Vitamin C) 13% · no scent flags recorded
COSRX Advanced The Vitamin C 23 Serum
Ascorbic Acid (Vitamin C) 23% · no scent flags recorded
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Common questions
What form of vitamin C does it use?
Tetrahexyldecyl ascorbate at 10%, an oil-soluble vitamin C ester.
Can I use it twice a day?
Yes, Jack Black says it can be used morning and evening after cleansing.
Do I still need sunscreen?
Yes. The brand says to apply sunscreen before going outdoors.