Micro #30

Micro #30-1 (hydroquinone).
Micro #30-2 (hydroquinone).
Micro #30-3 (hydroquinone).
Micro #30-4 (hydroquinone).
Micro #30-5 (hydroquinone).
Micro #30-6 (hydroquinone).
Micro #30-7 (hydroquinone).
Micro #30-8 (hydroquinone).
Micro #30-9 (hydroquinone).
Micro #30-10 (chromium chloride and iron sulfate).