30-40 is enough.
Of course, sun protection is most needed in summer. Xiao Zhi Thermal Power recommends that you use:
Orbis sunscreen isolation SPF34 PA++ (refreshing) 50ml/ 139 yuan.
Product efficacy:
ORBIS, a popular Japanese cosmetics brand, has been developing "100% oil-free skin care products" since its birth. It stimulates the moisturizing power of cells with the power of water, enhances the self-repair ability of skin, and brings consumers a real worry-free beauty experience, which perfectly embodies its "oil-free"? Carefree "brand proposition.
I hope I can help you. Beauty is your life ~ ~?
For more skin problems, please ask questions on Zhiwo cosmeceutical skin expert platform or consult online in Zhiwo cosmeceutical official website.