What is the reason for black spots on face?

Black spots on the face can be attributed to various factors, and given your description, it seems that hyperpigmentation could indeed be a likely cause. Hyperpigmentation occurs when certain areas of the skin produce more melanin, the pigment responsible for skin color. Common reasons for hyperpigmentation include sun exposure, hormonal changes, skin inflammation, and even reactions to certain skincare products, which you’ve already suspected. Considering you changed your sunscreen, it’s important to ensure that it’s broad-spectrum with an SPF of at least 30, as even short periods of unprotected sun exposure can exacerbate pigmentation, especially if you’re already noticing these spots. Stress, too, might play a role by affecting hormonal balance, potentially influencing skin conditions, though this is often more indirect.

For individuals in their 30s, cumulative sun exposure over the years often begins to manifest as dark spots, sometimes referred to as age spots or sunspots. Additionally, changes in the skin’s ability to recover and regenerate can lead to more visible pigmentation or discoloration. Other contributing factors might be genetic predispositions or even post-inflammatory hyperpigmentation, following acne or other inflammatory skin conditions. If lifestyle plays a part, like diet or skincare habits, assessing and perhaps moderating sugar intake or harsh skin products could be beneficial.

While trying creams that target hyperpigmentation can help, especially those containing ingredients like Vitamin C, niacinamide, or hydroquinone (when recommended in appropriate formulations), don’t overlook other methods. Professional treatments such as chemical peels or laser therapy under a dermatologist’s guidance may also be appropriate if creams alone aren’t suffice. Consistency in sun protection and a gentle, balanced skincare regimen is crucial. If these spots are rapidly changing in size, causing itching, or discomfort, following up more closely with your dermatologist would be wise to rule out other conditions. Remember, addressing the root cause is as important as treating the symptoms to prevent new spots from forming.