# Response to: Combined and Hybrid Treatments of Hyaluronic Acid (HA) and Calcium Hydroxylapatite (CaHA): A Systematic Review of Mechanisms of Action, Aesthetic Effectiveness, Satisfaction, and Safety Profile

**Authors:** Graeme Kerson, Andrew Schumacher

PMC · DOI: 10.1007/s00266-025-05265-1 · 2025-10-08

## Full-text entities

- **Chemicals:** CaHA (MESH:D017886), HA (MESH:D006820)

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Source: https://tomesphere.com/paper/PMC12594706