Document-based beauty research; United States MAC product pages, checked 25 October 2026. No hands-on test.

Read beyond the Fix+ family name

MAC’s US pages describe Fix+ as a multitasking mist and Fix+ Stay Over as a makeup-locking setting spray. The family name appears on both, but their ingredient panels carry different identifiers: ILN54036 for the original page and ILN54056 for Stay Over. A shopper comparing them should retain the full variant name rather than reduce both records to Fix+. The shared wording does not establish an identical formula.

The pages describe different placement priorities

The Stay Over explanation places original Fix+ before and between makeup steps, with Stay Over used to lock the finished makeup. Original Fix+ is also described with several roles including priming, setting and refreshing. These descriptions are not a prohibition on all other uses, but they help explain the brand’s distinction between a multitasking mist and a final setting product. A comparison should preserve that distinction instead of treating a generic setting-spray category as the entire answer.

This publication has not applied either product to a foundation, powder or eyeshadow combination. We cannot say how a particular finished makeup will feel after either mist. Someone investigating a specific routine should name the other products and the point of application. A result recorded after every step is a different condition from a result recorded after one final spray.

A listed ingredient is not a performance score

The Stay Over panel includes PVP and Trimethylsiloxysilicate, names absent from the original panel reviewed. That establishes a difference between the two declared lists. It does not let us calculate makeup wear duration from ingredient order or identify the exact concentration of film-forming components. A product-level performance conclusion would need the relevant test conditions, rather than a guessed relationship between a familiar ingredient and a headline.

Both pages use alcohol-free wording. That common description does not erase the other formula differences or establish equal finish and application feel. We also do not interpret it as a guarantee of personal suitability. Compare the ingredients on the actual packages, which may differ from an online version or change over time.

Choose the comparison question before the winner

A useful choice analysis starts with the task: researching a mist used while building makeup, or a product described for a final locking step. Then compare the exact variants under that task. This guide does not adopt the brands’ wear-duration or environmental-protection claims as measured findings, and it provides no ranking from untested data. The supported conclusion is narrower: MAC presents different roles and different declared formulas within the Fix+ family. Keeping those version-specific records separate gives the reader an understandable reason to investigate one particular variant rather than substitute another solely because both bottles share a name.

Sources and evidence limits

• MAC US Fix+ — Current manufacturer page read 2026-10-25. Focus: Original positioning and ingredient panel.
• MAC US Fix+ Stay Over — Current manufacturer page read 2026-10-25. Focus: Stay Over role and separate formula.

Declared formula and placement comparison only. No measured wear, skin protection, interchangeability or personal texture test.

Related research: Global Beauty Review Guides.