Bubble Skincare Knock Out Salicylic Acid Spot Treatment
- 0.33 fluid ounces, bottle
- Anti-acne is the listed benefit
- Normal, oily and acne-prone skin
- Unscented liquid serum
- Cruelty free
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A tiny unscented anti-acne serum for normal, oily and acne-prone skin. Active ingredients, directions and any strength information are all absent from the listing.
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ASIN: B0CQ7MQ3GSCategory: Skin Care Serums
Overview
Bubble Skincare packs Knock Out into a small bottle as a liquid serum aimed at breakouts. The listing names anti-acne as the benefit, an unscented formula and a cruelty free label.
A targeted, unscented serum for oily and acne-prone skin gives a clear purpose, and the small bottle suits a trial. No active is named, so there is no way to compare it with other treatments.
Who it's for
A short acne-care step in a routine that already has a cleanser and moisturizer. Dry skin is not among the listed types, and shoppers who want ingredient detail should read the carton.
Pros and cons
- Listed for acne-prone skin
- Actives not listed
- Dry skin not listed
- Small bottle size
Performance notes
An acne serum works through its active ingredient, and none is named here, so the mechanism cannot be stated. A liquid serum absorbs quickly and is applied on top of a cleansed face. How fast results appear depends on consistent use and on the unlisted formula.
Specifications
| Brand | Bubble Skincare |
|---|---|
| Dimensions & fit | |
| Size | 0.33 fluid ounceslower than 99% of 169 skin care serums |
| Other details | |
| Skin Type | Normal, Oily, acne-prone |
| Benefits | Anti-Acne |
| Item Form | Liquid |
| Scent | Unscented |
| Features | Cruelty Free |
| Container | Bottle |
Closest rivals on specs
Rodan + Fields ENHLSH01 Serum- Size 0.3 vs 0.2 fl oz (+50%)
Frequently asked questions
How should I store Bubble Skincare Knock Out serum?
The listing gives no storage or use directions. It lists a bottle container and a liquid form.
Is this serum a spot patch?
No. It is a liquid serum in a bottle, not a patch.