# Knowledge Hub

> Educational articles for professionals: treatment protocols, ingredient science and salon business.

- [Biostimulators vs Fillers: A Clinic Menu Guide](https://alvamedica.com/en/blog/biostimulators-vs-fillers.md): Biostimulators vs dermal fillers explained for clinics: mechanisms, onset, longevity, ideal candidates and how to structure both on one treatment menu.
- [Exosome Serums Compared: Sources, Counts and NAD+ Variants](https://alvamedica.com/en/blog/exosome-serums-compared.md): How professional exosome and PDRN serums differ — source, exosome count, carriers — and where the plant-derived ExoPrime NAD+ range fits for clinics.
- [How to Vet an Aesthetic Products Supplier in the EU](https://alvamedica.com/en/blog/how-to-vet-aesthetic-suppliers-eu.md): A due-diligence checklist for clinics: ISO 22716, GMP, CE marking under MDR, CPNP, batch documentation and the red flags that rule a supplier out.
- [How to Choose the Right Mesotherapy Cocktail](https://alvamedica.com/en/blog/mesotherapy-cocktail-selection.md): A practical framework for matching mesotherapy cocktails to skin indications — key actives, depth, session spacing and protocol tips for clinics.
- [PLLA Biostimulators Compared: Sculptra®, Gana, Elleva, Reju](https://alvamedica.com/en/blog/plla-biostimulators-compared.md): Poly-L-lactic acid biostimulators side by side: concentrations, formats and reconstitution of Sculptra®, Gana V/X, Rennova Elleva and Reju PLLA.
- [Post-Treatment Skincare: The Retention Engine](https://alvamedica.com/en/blog/post-treatment-skincare-retention.md): Why professional aftercare products protect treatment results, reduce complications and measurably raise client retention and revenue per visit.
- [Building a Premium Aesthetic Clinic Brand](https://alvamedica.com/en/blog/premium-aesthetic-clinic-brand.md): How aesthetic clinics build premium positioning: pricing architecture, trust signals, client experience and the discipline of not competing on price.
- [Profhilo® Alternatives: Bio-Remodelling Options Compared](https://alvamedica.com/en/blog/profhilo-alternatives-compared.md): A factual comparison of Profhilo® alternatives for skin quality: stabilised HA, PLLA boosters, polynucleotides and exosome serums — with clinic guidance.
- [Skin Boosters: Science, Indications, Results](https://alvamedica.com/en/blog/skin-boosters-guide.md): What skin boosters are, how they differ from fillers and mesotherapy, who they help most, and the realistic results clinics should promise clients.

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