For Jain puja, the best incense is simple, natural, and mild-fragranced.

Good choices

• Pure sambrani / loban in small quantity
• Sandalwood-based incense
• Natural herbal dhoop made from plant ingredients
• Low-smoke, non-overpowering incense

Preferred qualities

• Made from natural ingredients
• No strong artificial perfume
• No animal-derived ingredients
• No excessive smoke
• Scent should be calm and sattvik, not stimulating

In Jain puja, remember

• The main focus is bhakti, purity, and inner devotion, not fragrance.
• Use incense only in a modest amount.
• Keep the puja environment clean and peaceful.

Best practical choice

If you want one simple answer: light sandalwood incense or natural herbal dhoop is usually the most suitable for Jain puja.

If desired, I can also give a Jain puja essentials list for home mandir or temple use.