Affirm
Affirm is a large general-purpose buy-now-pay-later and installment lender that pays merchants up front and assumes default risk, used by some med spas through Zenoti and Stripe-based POS rather than built for aesthetics.

Mainstream Pay-in-4 BNPL for beauty retail and lower-ticket services
Afterpay is a polished, trusted mainstream BNPL brand that fits beauty retail and lower-ticket med spa services, but its small-ticket Pay-in-4 model and lack of healthcare specialization make it a poor fit for financing higher-ticket aesthetic procedures.
Afterpay is one of the most recognized general-purpose buy-now-pay-later (BNPL) brands, now owned by Block (the parent of Square). It lets shoppers split a purchase into four interest-free installments, with the merchant paid up front minus a fee and Afterpay carrying the repayment risk. There is no hard credit check to use it, which keeps checkout friction low, and the model is optimized for smaller, everyday purchases delivered through a polished consumer app and a large, well-known retail network.
In the beauty and aesthetics space, some spas and med spas offer Afterpay for retail products and lower-ticket services, benefiting from the brand's strong consumer recognition and slick UX. As with other general BNPL providers, the important caveat is fit: Afterpay is not built for healthcare or aesthetics. It has no clinical workflow and no large-balance treatment-plan financing, and its Pay-in-4 structure targets small tickets. Practices that need to finance higher-cost procedures such as laser packages, body contouring, or long injectable programs should treat Afterpay as a retail add-on and evaluate a purpose-built patient-financing lender for those cases.
Ideal customer
Beauty businesses and med spas that want a mainstream, high-recognition BNPL option for retail products and lower-ticket services, rather than financing for higher-ticket aesthetic procedures.
Afterpay is one of the best-known buy-now-pay-later brands in the world, now part of Block (the company behind Square). Its core product is interest-free "Pay in 4": shoppers split a purchase into four installments, the merchant is paid up front minus a fee, and Afterpay carries the repayment risk. There's no hard credit check to use it, and the experience runs through a polished app and a large shopping network that consumers already trust.
For a med spa, Afterpay makes the most sense on retail products and lower-ticket services — skincare, a single treatment, or entry-level offers where a small, interest-free split can nudge conversion. What it isn't is a healthcare- or aesthetics-built financing product. Afterpay is a mainstream consumer BNPL brand optimized for small tickets, and it should be evaluated as a retail-friendly add-on rather than a purpose-built patient-financing partner.
The standout strengths are ease of use and brand trust. The Afterpay app and checkout are genuinely slick, and because it sits inside the Block/Square ecosystem, integration is especially easy for spas already running Square, alongside support for Shopify, WooCommerce, and BigCommerce. The absence of a hard credit check keeps friction low at checkout, which is where BNPL earns its keep on impulse and retail purchases.
Owners also benefit from being paid up front while Afterpay absorbs the risk of non-payment. As a mainstream, widely recognized brand, Afterpay carries consumer trust that smaller niche lenders simply can't replicate, and its shopping directory can even surface participating businesses to existing users.
The central limitation is fit for aesthetics. Pay-in-4 is engineered for small, short-term purchases, not for financing a multi-thousand-dollar laser package, a body-contouring series, or a year of injectables. There is no clinical workflow, no treatment-plan financing, and no aesthetics specialization, so med spas whose revenue leans on higher-ticket procedures will hit the ceiling quickly.
On value and transparency, merchants pay a per-transaction fee deducted before payout, and while standard Pay-in-4 is interest-free to the shopper, late fees can apply and purchase caps constrain big-ticket use. Rates vary by volume and agreement and should be confirmed directly. This lands Afterpay in the same tier as the other general-BNPL options we've reviewed: polished and trusted, but not aesthetics-first.
Choose Afterpay if you want a highly recognizable, low-friction BNPL option for retail and lower-cost services, particularly if you already run Square and value a strong consumer app over healthcare-specific features. If your practice depends on financing higher-ticket aesthetic procedures, treat Afterpay as a supplementary retail tool and pair it with a purpose-built patient-financing lender for the larger cases.
By Med Spa Vendor Hub Editorial Team. Last reviewed June 29, 2026. Independent editorial review — how we score.
A vendor-neutral guide to choosing patient financing for a med spa—covering why financing drives conversion, the six provider models, the deferred-interest trap, merchant economics, and how to match a provider to your patients.
Patient financing has no subscription - the practice pays a merchant discount fee (a % of each financed sale) and the patient pays APR or deferred interest. Here's a transparent 2026 breakdown of real merchant fees and patient rates by lender.
Affirm is a large general-purpose buy-now-pay-later and installment lender that pays merchants up front and assumes default risk, used by some med spas through Zenoti and Stripe-based POS rather than built for aesthetics.
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