How to Combine Scents: Basic Rules for Beginners 
Combining scents is an art, but it also has its rules. If you're just starting out, you may feel lost among so many scents. Which ones go well together? Which build your own perfume repel each other? 
 
 
Here's a practical guide to help you start creating balanced and pleasing blends. 
 
1. Follow the 30/50/20 rule: 30% top notes 
 
50% middle notes 
 
20% base notes 
 
This creates a classic, safe balance for beginners. 
 
2. Start with a few scents: 3 to 5 ingredients is enough to start. custom perfume makers than 6 can complicate the result. 
 
3. Don't mix two powerful scents of the same type. 
For example, patchouli + musk + leather can be too intense. Combine a strong one with softer ones. 
 
4. Try blends by family 
Floral + citrus 
 
Woody + spicy 
 
Fruity + sweet (vanilla, caramel) 
 
Herbal + fresh (mint, rosemary, eucalyptus) 
 
5. Use scent strips 
Apply a few drops of each scent to a separate strip and hold them up to your nose at the same time. This way, you'll know if they go well together before actually mixing them. 

Website: https://www.scentmate.com/blog/arouse-good-feelings-all-year-round-thanks-to-fragrances-eliciting-happiness/