Byredo Bal d'Afrique Absolu is the concentrated version of Bal d'Afrique, the 2009 fragrance that remains Byredo's most recognisable.
The original was bright and dry: neroli, bergamot and lemon over African marigold, violet and cyclamen, with vetiver and cedar holding the base. Light, a little dusty, unmistakably itself. The Absolu keeps that structure and thickens it. The citrus is less sparkling, the woods and musk are heavier, and the whole thing sits closer to the skin for longer.
Whether that is an improvement depends on what you liked about the original. If it was the airiness, the Absolu loses some of it. If it was the dry woody-floral character and you wished it lasted longer, this solves that.
Performance is the main reason to choose it. The original is famously short-lived on some skin; this is not.
It is expensive even by Byredo standards, which is the usual reason people go looking for an alternative.