Above you will see different shades of eczema or sen derm.

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Seborrheic dermatitis can affect all skin tones, but its appearance may vary. On lighter skin, it often appears red or pink, while on darker skin, it may show as lighter patches (hypopigmentation) or curved lesions, with redness being less pronounced

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During a seborrheic dermatitis breakout, the skin may appear redder in lighter skin tones and can look darker or lighter in individuals with brown or Black skin. The affected areas may also show flaky, greasy patches that can vary in color depending on the individual's skin tone.
Skin Color Changes in Seborrheic Dermatitis
General Appearance
Seborrheic dermatitis can cause various skin color changes depending on the individual's skin tone. The affected areas may appear:
Red or Pink: Common in lighter skin tones, indicating inflammation.
Lighter or Darker: In individuals with darker skin, the affected areas may not show redness. Instead, they might appear lighter than the surrounding skin or take on a slightly purple hue.
Specific Examples
SKIN TONE COLOR CHANGE DURING BREAKOUT
Light Skin Red, scaly patches with possible flaking
Medium Skin Pink or red patches, often with greasy scales
Dark Skin Lighter patches or slightly darker areas without redness
Affected Areas
Seborrheic dermatitis typically affects areas rich in oil glands, such as:
Scalp
Face (especially around the nose and eyebrows)
Chest
Back
In infants, it often appears as cradle cap on the scalp, which can also show similar color changes.
Understanding these variations can help in recognizing and managing the condition effectively.