They look quite nice. Did you try to use them?
They look pretty. There are a lot of threads here about the causes of soda ash and crystallization. You can use the search bar at the top of the page to find some of those threads.
Congratulations on really successful and attractive first soaps. By crystallization are you referring to the whitish spots on the soap? If they’re hollow they may be air bubbles from stick blending or otherwise vigorous mixing. If you shave a little soap off a white spot and it looks hollow, it’s a bubble. If a spot still looks white/solid it’s probably a stearic spot/crystal. I reduce/eliminate stearic spots by melting my hard fats until they are crystal clear before I add liquid oils. Past that, working temps, batch size and recipes all affect the outcome, so it may take some trial and error for the recipes you’re using. As for ashy soap tops, I mostly work at a high lye concentration now and rarely get ash unless my batter is very thin and doesn’t gel properly. If you search the threads, you will find many suggestions for ways to reduce ash. Minimizing air contact seems to help, but that means no peaking, which means it doesn’t work well for me.
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