Based on the provided reviews, the Trouble Sebum Rebalancing 131 Ampoule by Celladix appears to have a positive impact on rough, bumpy skin for many users. Several reviewers mentioned improvements in skin texture, reduction in visible pores, and calming of blemishes, which often contribute to rough, bumpy skin. Here are some specific points from the reviews: - One reviewer noted that after three months of consistent use, their pores looked refined, and the rough, bumpy edges became noticeably smoother. - Another reviewer mentioned that their skin texture felt more even and their makeup applied better after using the product. - A user with combination dehydrated skin found that the product helped balance oil production, leading to smoother skin. - Multiple reviewers highlighted the product's ability to calm blemishes and improve overall skin clarity, which can contribute to a reduction in rough, bumpy skin. However, it's important to note that individual results may vary, and some users may not experience the same level of improvement. Additionally, some reviewers mentioned that the product is more suitable for oily or combination skin types and may not provide enough hydration for those with very dry skin.

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