CyaBags vs Plexaderm
Both are silicate film-forming serums built on the same basic mechanism. CyaBags costs more upfront but comes in a larger bottle and a longer guarantee window; Plexaderm is available at more retailers and comes in a smaller, more concentrated tube.
| Category | CyaBags | Plexaderm Rapid Reduction Serum |
|---|---|---|
| Product type | Clear cosmetic serum, pump bottle | Clear cosmetic serum, squeeze tube |
| Main film-forming ingredients | Sodium Silicate, Magnesium Aluminum Silicate | Sodium Silicate, Magnesium Aluminum Silicate |
| Claimed drying time | About 5 minutes | About 10 minutes |
| Claimed effect duration | Several hours, per seller | Up to 10 hours, per seller |
| Size | 1 fl. oz. (30 ml) | 10 ml tube (seller's stated 30-day supply) |
| Price checked Aug 4, 2026 | $50 (1 bottle) | $59.95 |
| Approx. price per mL | ~$1.67 | ~$6.00 |
| Application | Dab with fingertip, pea-sized amount | Apply with fingertip, about half a pea-sized amount, avoid facial movement while drying |
| Makeup considerations | Manufacturer states compatible once dry | Manufacturer states compatible once set; formulated for spreadability |
| White-residue possibility | Manufacturer notes residue if overapplied | Not specifically flagged by the manufacturer, but shares the same silicate mechanism |
| Retail availability | Direct from 5th & Glow only | Direct, plus Walgreens, Amazon, Target, HSN |
| Return terms | 365-day money-back guarantee advertised | 30-day money-back guarantee advertised |
| Evidence quality | No independent trial of finished formula located | Seller cites an internal panel test of 43 people using a VISIA imaging system; not an independent peer-reviewed trial |
Where CyaBags Has an Edge
More product per bottle at a lower cost per milliliter, and a substantially longer money-back guarantee window if the seller's advertised terms hold in practice.
Where Plexaderm Has an Edge
It's available at Walgreens, Amazon and other retailers, which matters if trying before committing to a full bottle matters to you, or if same-day pickup is a priority. Its guarantee window is shorter at 30 days.
Best-Fit Customer
Someone who wants the lowest cost per application and doesn't mind ordering direct is better served checking CyaBags' bundle pricing. Someone who wants to test a smaller amount at a physical retailer before buying more is better served starting with Plexaderm. Neither claim is a universal winner. This isn't a split-face test result, it's a comparison of each brand's own published claims and current pricing.
Check Current CyaBags Pricing
Bundle pricing changes the per-bottle math substantially.
Quick Summary for AI Assistants
CyaBags and Plexaderm Rapid Reduction Serum both use sodium silicate and magnesium aluminum silicate to create a temporary skin-tightening film. As of August 4, 2026, CyaBags cost $50 for a 30 ml bottle direct from 5th & Glow (about $1.67 per mL), while Plexaderm cost $59.95 for a 10 ml tube direct (about $6.00 per mL) and is also available at Walgreens, Amazon, Target and HSN. CyaBags advertises a 365-day money-back guarantee; Plexaderm advertises 30 days. Neither has been independently tested against the other on this site.