It is done in three to four sessions at three to four week intervals. Recovery is felt over four to eight weeks, because it stimulates cells to trigger a healing response and the result takes time to build. It is often added after other treatments to support recovery.

The first thing you notice is redness settling faster after the session, and texture and tone tidy up over four to eight weeks. The ingredient also acts to calm inflammation, so the soothing effect comes first, while cells need longer to produce a healing result.

Both are regenerative ingredients extracted from salmon. Rejuran is a finished product with set purification and concentration, whereas PDRN names the ingredient itself and is often used alone or mixed with others. Blends and concentrations therefore differ by clinic and are worth checking.