Reinheit

ReinHeit is a Korean bath and home spa brand at skinsli with 7+ products, all in the bathing agent category. The range spans lemon, rosemary, and rose-scented formulas in sizes from 350g to 1000g, plus a Jojoba Baby Bathing Agent designed for sensitive or infant skin. A bubble variant of the Lemon Homespa comes in 350g and 700g sizes. Products are positioned as home spa bath additives rather than daily cleansers.

  • Lemon, Rosemary & Rose scents
  • Jojoba baby formula
  • Home spa bath additives
  • 350g to 1000g sizes

By Skinsli editorial Updated

Buying guide

ReinHeit Bathing Agents: Home Spa Buyer's Guide

ReinHeit makes Korean bath additives built for a home spa routine rather than daily shower use. The 7+ products at skinsli include lemon, rosemary, and rose-scented bathing agents, a bubble lemon format, and a jojoba baby version for sensitive or young skin. Sizes range from 350g single-use-to-small-batch packs to a 1000g bulk tub suited for regular family use. This guide covers what each product does, the difference between the standard and bubble formulas, and how to pick the right size.

What a Bathing Agent Is

A bathing agent is a bath additive - a product you dissolve or disperse in warm bath water rather than apply directly to skin. The category sits between a bath salt and a bath milk, typically combining mineral salts or bicarbonate bases with fragrance and skin-conditioning ingredients. ReinHeit bathing agents are poured or scooped into a filled tub, where they soften the water, release fragrance, and allow skin to soak in a lightly conditioned bath. They are not rinse-off body washes and are not meant for the shower - the soaking step is what delivers the benefit.

Scent Options: Lemon, Rosemary, and Rose

ReinHeit offers three scent families in the Homespa line. Lemon is the most developed, appearing in the standard Lemon Homespa Bathing Agent at both 380g and 800g, and in the Bubble Lemon Homespa at 350g and 700g - four SKUs in a single scent. Rosemary appears in one size: the Rosemary Homespa Bathing Agent 380g, which is a herbal, slightly medicinal scent suited to evening decompression. Rose appears in the Rose Home Spa Bathing Agent 600g, a floral mid-sized option. If you want the most sizing flexibility within a single scent, lemon offers the widest range.

Standard Homespa vs Bubble Lemon Homespa

Two formats exist for the Lemon scent: the standard Lemon Homespa Bathing Agent and the Bubble Lemon Homespa Bathing Agent. The standard formula is a non-foaming bath additive that softens water and conditions skin. The Bubble version generates foam when added to running water, creating a foamy bath experience closer to a bubble bath. If you are soaking for relaxation and prefer a quieter bath, the standard version is the better fit. If you prefer the visual and tactile experience of bubbles, the Bubble Lemon Homespa at 350g or 700g is the correct choice. The two formats use the same lemon fragrance base.

Jojoba Baby Bathing Agent 1000g

The Jojoba Baby Bathing Agent 1000g is the largest and most specialized product in the ReinHeit range. It is formulated for sensitive or infant skin, using jojoba as the primary conditioning ingredient. Jojoba is a liquid wax that closely resembles the skin's natural sebum, making it unusually non-irritating and well-tolerated by reactive skin. At 1000g the container is sized for regular family use over weeks or months rather than occasional spa sessions. It is fragrance-forward enough to use for adults with sensitive skin who want a neutral bath additive without strong floral or herbal notes.

Choosing the Right Size

ReinHeit bathing agents range from 350g to 1000g. The 350g Bubble Lemon is the smallest format, best for a trial or for someone who bathes infrequently. The 380g sizes (Lemon Homespa and Rosemary Homespa) are mid-range single-person supplies. The 600g Rose Home Spa and 700g Bubble Lemon are larger personal supplies. The 800g Lemon Homespa and 1000g Jojoba Baby are bulk sizes suited for regular bathers or households with more than one user. Each product specifies how many applications a given size provides on its packaging - check the intended usage rate before choosing between the 380g and 800g lemon options if cost-per-use is the deciding factor.

How to Use a ReinHeit Bathing Agent

Fill the tub with warm water before adding the bathing agent - hot water can degrade some fragrance molecules and over-strip the skin. Add the recommended amount to the running water so it disperses fully rather than settling on the tub floor. Soak for 15 to 20 minutes. After soaking, rinse with cool water to close pores, then pat dry and apply a body moisturizer while skin is still slightly damp. The bathing agent is not a cleanser, so a light pre-soak rinse or soap cleanse at the beginning of the bath keeps the water clean and lets the additive work on already-clean skin.

Building a Home Spa Routine with ReinHeit

A complete home spa session with ReinHeit products follows a simple sequence: pre-rinse, then add a bathing agent to the tub, soak for 15-20 minutes, rinse, and moisturize. The scent choice can set the tone: lemon for a morning energizing soak, rosemary for an evening wind-down, and rose for a weekend indulgence. The Bubble Lemon versions add a visual element that works well for a dedicated bath evening. The Jojoba Baby formula makes for an easy mixed-household choice when the tub is shared by adults and children, avoiding the need to keep two separate products.

FAQ

Frequently asked questions

  • ReinHeit sells Korean bath additives called bathing agents. The range at skinsli includes 7+ products: Lemon Homespa Bathing Agent (380g and 800g), Bubble Lemon Homespa (350g and 700g), Rosemary Homespa Bathing Agent 380g, Rose Home Spa Bathing Agent 600g, and Jojoba Baby Bathing Agent 1000g.

  • The Bubble Lemon Homespa generates foam when added to running bath water, giving a bubble-bath experience. The standard Lemon Homespa is a non-foaming bath additive that softens water and conditions skin. Both share the same lemon fragrance. Choose the Bubble version if you want foam; choose the standard if you prefer a clear, calm bath.

  • Yes. The Jojoba Baby Bathing Agent 1000g is formulated for sensitive or infant skin, but adults with reactive or easily irritated skin often use it as a gentle, low-fragrance option. It is also a practical household choice when the tub is shared by adults and young children.

  • The recommended amount varies by product and is listed on the individual packaging. As a general reference, a typical bathing agent dose for a standard tub is 30-50g per session, which means a 380g pack gives approximately 8-12 baths and an 800g pack gives roughly 16-25 baths. Check the specific product for its exact usage guidance.

  • The 380g is suited for occasional bathers or for trying the scent before committing to the larger size. The 800g offers a lower cost per gram and is the better value for regular weekly bathers. Both are the same formula - only the quantity differs.

  • ReinHeit is a Korean bath and body brand despite the German name ("Reinheit" means purity in German). Products are made in Korea and imported to skinsli for the US market.